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-rw-r--r--fs/9p/vfs_file.c40
-rw-r--r--fs/afs/flock.c60
-rw-r--r--fs/ceph/locks.c74
-rw-r--r--fs/dlm/plock.c44
-rw-r--r--fs/fuse/file.c14
-rw-r--r--fs/gfs2/file.c16
-rw-r--r--fs/libfs.c2
-rw-r--r--fs/lockd/clnt4xdr.c14
-rw-r--r--fs/lockd/clntlock.c2
-rw-r--r--fs/lockd/clntproc.c65
-rw-r--r--fs/lockd/clntxdr.c14
-rw-r--r--fs/lockd/svc4proc.c10
-rw-r--r--fs/lockd/svclock.c64
-rw-r--r--fs/lockd/svcproc.c10
-rw-r--r--fs/lockd/svcsubs.c24
-rw-r--r--fs/lockd/xdr.c14
-rw-r--r--fs/lockd/xdr4.c14
-rw-r--r--fs/locks.c894
-rw-r--r--fs/nfs/delegation.c4
-rw-r--r--fs/nfs/file.c22
-rw-r--r--fs/nfs/nfs3proc.c2
-rw-r--r--fs/nfs/nfs4_fs.h2
-rw-r--r--fs/nfs/nfs4file.c2
-rw-r--r--fs/nfs/nfs4proc.c39
-rw-r--r--fs/nfs/nfs4state.c22
-rw-r--r--fs/nfs/nfs4trace.h4
-rw-r--r--fs/nfs/nfs4xdr.c8
-rw-r--r--fs/nfs/write.c8
-rw-r--r--fs/nfsd/filecache.c4
-rw-r--r--fs/nfsd/nfs4callback.c2
-rw-r--r--fs/nfsd/nfs4layouts.c35
-rw-r--r--fs/nfsd/nfs4state.c124
-rw-r--r--fs/ocfs2/locks.c12
-rw-r--r--fs/ocfs2/stack_user.c2
-rw-r--r--fs/open.c2
-rw-r--r--fs/posix_acl.c4
-rw-r--r--fs/smb/client/cifsfs.c5
-rw-r--r--fs/smb/client/cifssmb.c8
-rw-r--r--fs/smb/client/file.c78
-rw-r--r--fs/smb/client/smb2file.c2
-rw-r--r--fs/smb/server/smb2pdu.c44
-rw-r--r--fs/smb/server/vfs.c14
42 files changed, 956 insertions, 868 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index bae330c2f0cf..abdbbaee5184 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -107,7 +107,7 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
p9_debug(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
- if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {
+ if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->c.flc_type != F_UNLCK) {
filemap_write_and_wait(inode->i_mapping);
invalidate_mapping_pages(&inode->i_data, 0, -1);
}
@@ -121,13 +121,12 @@ static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl)
struct p9_fid *fid;
uint8_t status = P9_LOCK_ERROR;
int res = 0;
- unsigned char fl_type;
struct v9fs_session_info *v9ses;
fid = filp->private_data;
BUG_ON(fid == NULL);
- BUG_ON((fl->fl_flags & FL_POSIX) != FL_POSIX);
+ BUG_ON((fl->c.flc_flags & FL_POSIX) != FL_POSIX);
res = locks_lock_file_wait(filp, fl);
if (res < 0)
@@ -136,7 +135,7 @@ static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl)
/* convert posix lock to p9 tlock args */
memset(&flock, 0, sizeof(flock));
/* map the lock type */
- switch (fl->fl_type) {
+ switch (fl->c.flc_type) {
case F_RDLCK:
flock.type = P9_LOCK_TYPE_RDLCK;
break;
@@ -152,7 +151,7 @@ static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl)
flock.length = 0;
else
flock.length = fl->fl_end - fl->fl_start + 1;
- flock.proc_id = fl->fl_pid;
+ flock.proc_id = fl->c.flc_pid;
flock.client_id = fid->clnt->name;
if (IS_SETLKW(cmd))
flock.flags = P9_LOCK_FLAGS_BLOCK;
@@ -207,12 +206,13 @@ out_unlock:
* incase server returned error for lock request, revert
* it locally
*/
- if (res < 0 && fl->fl_type != F_UNLCK) {
- fl_type = fl->fl_type;
- fl->fl_type = F_UNLCK;
+ if (res < 0 && fl->c.flc_type != F_UNLCK) {
+ unsigned char type = fl->c.flc_type;
+
+ fl->c.flc_type = F_UNLCK;
/* Even if this fails we want to return the remote error */
locks_lock_file_wait(filp, fl);
- fl->fl_type = fl_type;
+ fl->c.flc_type = type;
}
if (flock.client_id != fid->clnt->name)
kfree(flock.client_id);
@@ -234,7 +234,7 @@ static int v9fs_file_getlock(struct file *filp, struct file_lock *fl)
* if we have a conflicting lock locally, no need to validate
* with server
*/
- if (fl->fl_type != F_UNLCK)
+ if (fl->c.flc_type != F_UNLCK)
return res;
/* convert posix lock to p9 tgetlock args */
@@ -245,7 +245,7 @@ static int v9fs_file_getlock(struct file *filp, struct file_lock *fl)
glock.length = 0;
else
glock.length = fl->fl_end - fl->fl_start + 1;
- glock.proc_id = fl->fl_pid;
+ glock.proc_id = fl->c.flc_pid;
glock.client_id = fid->clnt->name;
res = p9_client_getlock_dotl(fid, &glock);
@@ -254,13 +254,13 @@ static int v9fs_file_getlock(struct file *filp, struct file_lock *fl)
/* map 9p lock type to os lock type */
switch (glock.type) {
case P9_LOCK_TYPE_RDLCK:
- fl->fl_type = F_RDLCK;
+ fl->c.flc_type = F_RDLCK;
break;
case P9_LOCK_TYPE_WRLCK:
- fl->fl_type = F_WRLCK;
+ fl->c.flc_type = F_WRLCK;
break;
case P9_LOCK_TYPE_UNLCK:
- fl->fl_type = F_UNLCK;
+ fl->c.flc_type = F_UNLCK;
break;
}
if (glock.type != P9_LOCK_TYPE_UNLCK) {
@@ -269,7 +269,7 @@ static int v9fs_file_getlock(struct file *filp, struct file_lock *fl)
fl->fl_end = OFFSET_MAX;
else
fl->fl_end = glock.start + glock.length - 1;
- fl->fl_pid = -glock.proc_id;
+ fl->c.flc_pid = -glock.proc_id;
}
out:
if (glock.client_id != fid->clnt->name)
@@ -293,7 +293,7 @@ static int v9fs_file_lock_dotl(struct file *filp, int cmd, struct file_lock *fl)
p9_debug(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %pD\n",
filp, cmd, fl, filp);
- if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {
+ if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->c.flc_type != F_UNLCK) {
filemap_write_and_wait(inode->i_mapping);
invalidate_mapping_pages(&inode->i_data, 0, -1);
}
@@ -324,16 +324,16 @@ static int v9fs_file_flock_dotl(struct file *filp, int cmd,
p9_debug(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %pD\n",
filp, cmd, fl, filp);
- if (!(fl->fl_flags & FL_FLOCK))
+ if (!(fl->c.flc_flags & FL_FLOCK))
goto out_err;
- if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {
+ if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->c.flc_type != F_UNLCK) {
filemap_write_and_wait(inode->i_mapping);
invalidate_mapping_pages(&inode->i_data, 0, -1);
}
/* Convert flock to posix lock */
- fl->fl_flags |= FL_POSIX;
- fl->fl_flags ^= FL_FLOCK;
+ fl->c.flc_flags |= FL_POSIX;
+ fl->c.flc_flags ^= FL_FLOCK;
if (IS_SETLK(cmd) | IS_SETLKW(cmd))
ret = v9fs_file_do_lock(filp, cmd, fl);
diff --git a/fs/afs/flock.c b/fs/afs/flock.c
index 9c6dea3139f5..f0e96a35093f 100644
--- a/fs/afs/flock.c
+++ b/fs/afs/flock.c
@@ -93,13 +93,13 @@ static void afs_grant_locks(struct afs_vnode *vnode)
bool exclusive = (vnode->lock_type == AFS_LOCK_WRITE);
list_for_each_entry_safe(p, _p, &vnode->pending_locks, fl_u.afs.link) {
- if (!exclusive && p->fl_type == F_WRLCK)
+ if (!exclusive && lock_is_write(p))
continue;
list_move_tail(&p->fl_u.afs.link, &vnode->granted_locks);
p->fl_u.afs.state = AFS_LOCK_GRANTED;
trace_afs_flock_op(vnode, p, afs_flock_op_grant);
- wake_up(&p->fl_wait);
+ locks_wake_up(p);
}
}
@@ -112,25 +112,24 @@ static void afs_next_locker(struct afs_vnode *vnode, int error)
{
struct file_lock *p, *_p, *next = NULL;
struct key *key = vnode->lock_key;
- unsigned int fl_type = F_RDLCK;
+ unsigned int type = F_RDLCK;
_enter("");
if (vnode->lock_type == AFS_LOCK_WRITE)
- fl_type = F_WRLCK;
+ type = F_WRLCK;
list_for_each_entry_safe(p, _p, &vnode->pending_locks, fl_u.afs.link) {
if (error &&
- p->fl_type == fl_type &&
- afs_file_key(p->fl_file) == key) {
+ p->c.flc_type == type &&
+ afs_file_key(p->c.flc_file) == key) {
list_del_init(&p->fl_u.afs.link);
p->fl_u.afs.state = error;
- wake_up(&p->fl_wait);
+ locks_wake_up(p);
}
/* Select the next locker to hand off to. */
- if (next &&
- (next->fl_type == F_WRLCK || p->fl_type == F_RDLCK))
+ if (next && (lock_is_write(next) || lock_is_read(p)))
continue;
next = p;
}
@@ -142,7 +141,7 @@ static void afs_next_locker(struct afs_vnode *vnode, int error)
afs_set_lock_state(vnode, AFS_VNODE_LOCK_SETTING);
next->fl_u.afs.state = AFS_LOCK_YOUR_TRY;
trace_afs_flock_op(vnode, next, afs_flock_op_wake);
- wake_up(&next->fl_wait);
+ locks_wake_up(next);
} else {
afs_set_lock_state(vnode, AFS_VNODE_LOCK_NONE);
trace_afs_flock_ev(vnode, NULL, afs_flock_no_lockers, 0);
@@ -166,7 +165,7 @@ static void afs_kill_lockers_enoent(struct afs_vnode *vnode)
struct file_lock, fl_u.afs.link);
list_del_init(&p->fl_u.afs.link);
p->fl_u.afs.state = -ENOENT;
- wake_up(&p->fl_wait);
+ locks_wake_up(p);
}
key_put(vnode->lock_key);
@@ -464,14 +463,14 @@ static int afs_do_setlk(struct file *file, struct file_lock *fl)
_enter("{%llx:%llu},%llu-%llu,%u,%u",
vnode->fid.vid, vnode->fid.vnode,
- fl->fl_start, fl->fl_end, fl->fl_type, mode);
+ fl->fl_start, fl->fl_end, fl->c.flc_type, mode);
fl->fl_ops = &afs_lock_ops;
INIT_LIST_HEAD(&fl->fl_u.afs.link);
fl->fl_u.afs.state = AFS_LOCK_PENDING;
partial = (fl->fl_start != 0 || fl->fl_end != OFFSET_MAX);
- type = (fl->fl_type == F_RDLCK) ? AFS_LOCK_READ : AFS_LOCK_WRITE;
+ type = lock_is_read(fl) ? AFS_LOCK_READ : AFS_LOCK_WRITE;
if (mode == afs_flock_mode_write && partial)
type = AFS_LOCK_WRITE;
@@ -524,7 +523,7 @@ static int afs_do_setlk(struct file *file, struct file_lock *fl)
}
if (vnode->lock_state == AFS_VNODE_LOCK_NONE &&
- !(fl->fl_flags & FL_SLEEP)) {
+ !(fl->c.flc_flags & FL_SLEEP)) {
ret = -EAGAIN;
if (type == AFS_LOCK_READ) {
if (vnode->status.lock_count == -1)
@@ -621,7 +620,7 @@ skip_server_lock:
return 0;
lock_is_contended:
- if (!(fl->fl_flags & FL_SLEEP)) {
+ if (!(fl->c.flc_flags & FL_SLEEP)) {
list_del_init(&fl->fl_u.afs.link);
afs_next_locker(vnode, 0);
ret = -EAGAIN;
@@ -641,7 +640,7 @@ need_to_wait:
spin_unlock(&vnode->lock);
trace_afs_flock_ev(vnode, fl, afs_flock_waiting, 0);
- ret = wait_event_interruptible(fl->fl_wait,
+ ret = wait_event_interruptible(fl->c.flc_wait,
fl->fl_u.afs.state != AFS_LOCK_PENDING);
trace_afs_flock_ev(vnode, fl, afs_flock_waited, ret);
@@ -704,7 +703,8 @@ static int afs_do_unlk(struct file *file, struct file_lock *fl)
struct afs_vnode *vnode = AFS_FS_I(file_inode(file));
int ret;
- _enter("{%llx:%llu},%u", vnode->fid.vid, vnode->fid.vnode, fl->fl_type);
+ _enter("{%llx:%llu},%u", vnode->fid.vid, vnode->fid.vnode,
+ fl->c.flc_type);
trace_afs_flock_op(vnode, fl, afs_flock_op_unlock);
@@ -730,11 +730,11 @@ static int afs_do_getlk(struct file *file, struct file_lock *fl)
if (vnode->lock_state == AFS_VNODE_LOCK_DELETED)
return -ENOENT;
- fl->fl_type = F_UNLCK;
+ fl->c.flc_type = F_UNLCK;
/* check local lock records first */
posix_test_lock(file, fl);
- if (fl->fl_type == F_UNLCK) {
+ if (lock_is_unlock(fl)) {
/* no local locks; consult the server */
ret = afs_fetch_status(vnode, key, false, NULL);
if (ret < 0)
@@ -743,18 +743,18 @@ static int afs_do_getlk(struct file *file, struct file_lock *fl)
lock_count = READ_ONCE(vnode->status.lock_count);
if (lock_count != 0) {
if (lock_count > 0)
- fl->fl_type = F_RDLCK;
+ fl->c.flc_type = F_RDLCK;
else
- fl->fl_type = F_WRLCK;
+ fl->c.flc_type = F_WRLCK;
fl->fl_start = 0;
fl->fl_end = OFFSET_MAX;
- fl->fl_pid = 0;
+ fl->c.flc_pid = 0;
}
}
ret = 0;
error:
- _leave(" = %d [%hd]", ret, fl->fl_type);
+ _leave(" = %d [%hd]", ret, fl->c.flc_type);
return ret;
}
@@ -769,7 +769,7 @@ int afs_lock(struct file *file, int cmd, struct file_lock *fl)
_enter("{%llx:%llu},%d,{t=%x,fl=%x,r=%Ld:%Ld}",
vnode->fid.vid, vnode->fid.vnode, cmd,
- fl->fl_type, fl->fl_flags,
+ fl->c.flc_type, fl->c.flc_flags,
(long long) fl->fl_start, (long long) fl->fl_end);
if (IS_GETLK(cmd))
@@ -778,7 +778,7 @@ int afs_lock(struct file *file, int cmd, struct file_lock *fl)
fl->fl_u.afs.debug_id = atomic_inc_return(&afs_file_lock_debug_id);
trace_afs_flock_op(vnode, fl, afs_flock_op_lock);
- if (fl->fl_type == F_UNLCK)
+ if (lock_is_unlock(fl))
ret = afs_do_unlk(file, fl);
else
ret = afs_do_setlk(file, fl);
@@ -804,7 +804,7 @@ int afs_flock(struct file *file, int cmd, struct file_lock *fl)
_enter("{%llx:%llu},%d,{t=%x,fl=%x}",
vnode->fid.vid, vnode->fid.vnode, cmd,
- fl->fl_type, fl->fl_flags);
+ fl->c.flc_type, fl->c.flc_flags);
/*
* No BSD flocks over NFS allowed.
@@ -813,14 +813,14 @@ int afs_flock(struct file *file, int cmd, struct file_lock *fl)
* Not sure whether that would be unique, though, or whether
* that would break in other places.
*/
- if (!(fl->fl_flags & FL_FLOCK))
+ if (!(fl->c.flc_flags & FL_FLOCK))
return -ENOLCK;
fl->fl_u.afs.debug_id = atomic_inc_return(&afs_file_lock_debug_id);
trace_afs_flock_op(vnode, fl, afs_flock_op_flock);
/* we're simulating flock() locks using posix locks on the server */
- if (fl->fl_type == F_UNLCK)
+ if (lock_is_unlock(fl))
ret = afs_do_unlk(file, fl);
else
ret = afs_do_setlk(file, fl);
@@ -843,7 +843,7 @@ int afs_flock(struct file *file, int cmd, struct file_lock *fl)
*/
static void afs_fl_copy_lock(struct file_lock *new, struct file_lock *fl)
{
- struct afs_vnode *vnode = AFS_FS_I(file_inode(fl->fl_file));
+ struct afs_vnode *vnode = AFS_FS_I(file_inode(fl->c.flc_file));
_enter("");
@@ -861,7 +861,7 @@ static void afs_fl_copy_lock(struct file_lock *new, struct file_lock *fl)
*/
static void afs_fl_release_private(struct file_lock *fl)
{
- struct afs_vnode *vnode = AFS_FS_I(file_inode(fl->fl_file));
+ struct afs_vnode *vnode = AFS_FS_I(file_inode(fl->c.flc_file));
_enter("");
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index e07ad29ff8b9..ebf4ac0055dd 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -33,7 +33,7 @@ void __init ceph_flock_init(void)
static void ceph_fl_copy_lock(struct file_lock *dst, struct file_lock *src)
{
- struct inode *inode = file_inode(dst->fl_file);
+ struct inode *inode = file_inode(dst->c.flc_file);
atomic_inc(&ceph_inode(inode)->i_filelock_ref);
dst->fl_u.ceph.inode = igrab(inode);
}
@@ -110,17 +110,18 @@ static int ceph_lock_message(u8 lock_type, u16 operation, struct inode *inode,
else
length = fl->fl_end - fl->fl_start + 1;
- owner = secure_addr(fl->fl_owner);
+ owner = secure_addr(fl->c.flc_owner);
doutc(cl, "rule: %d, op: %d, owner: %llx, pid: %llu, "
"start: %llu, length: %llu, wait: %d, type: %d\n",
- (int)lock_type, (int)operation, owner, (u64)fl->fl_pid,
- fl->fl_start, length, wait, fl->fl_type);
+ (int)lock_type, (int)operation, owner,
+ (u64) fl->c.flc_pid,
+ fl->fl_start, length, wait, fl->c.flc_type);
req->r_args.filelock_change.rule = lock_type;
req->r_args.filelock_change.type = cmd;
req->r_args.filelock_change.owner = cpu_to_le64(owner);
- req->r_args.filelock_change.pid = cpu_to_le64((u64)fl->fl_pid);
+ req->r_args.filelock_change.pid = cpu_to_le64((u64) fl->c.flc_pid);
req->r_args.filelock_change.start = cpu_to_le64(fl->fl_start);
req->r_args.filelock_change.length = cpu_to_le64(length);
req->r_args.filelock_change.wait = wait;
@@ -130,13 +131,13 @@ static int ceph_lock_message(u8 lock_type, u16 operation, struct inode *inode,
err = ceph_mdsc_wait_request(mdsc, req, wait ?
ceph_lock_wait_for_completion : NULL);
if (!err && operation == CEPH_MDS_OP_GETFILELOCK) {
- fl->fl_pid = -le64_to_cpu(req->r_reply_info.filelock_reply->pid);
+ fl->c.flc_pid = -le64_to_cpu(req->r_reply_info.filelock_reply->pid);
if (CEPH_LOCK_SHARED == req->r_reply_info.filelock_reply->type)
- fl->fl_type = F_RDLCK;
+ fl->c.flc_type = F_RDLCK;
else if (CEPH_LOCK_EXCL == req->r_reply_info.filelock_reply->type)
- fl->fl_type = F_WRLCK;
+ fl->c.flc_type = F_WRLCK;
else
- fl->fl_type = F_UNLCK;
+ fl->c.flc_type = F_UNLCK;
fl->fl_start = le64_to_cpu(req->r_reply_info.filelock_reply->start);
length = le64_to_cpu(req->r_reply_info.filelock_reply->start) +
@@ -150,8 +151,8 @@ static int ceph_lock_message(u8 lock_type, u16 operation, struct inode *inode,
ceph_mdsc_put_request(req);
doutc(cl, "rule: %d, op: %d, pid: %llu, start: %llu, "
"length: %llu, wait: %d, type: %d, err code %d\n",
- (int)lock_type, (int)operation, (u64)fl->fl_pid,
- fl->fl_start, length, wait, fl->fl_type, err);
+ (int)lock_type, (int)operation, (u64) fl->c.flc_pid,
+ fl->fl_start, length, wait, fl->c.flc_type, err);
return err;
}
@@ -227,10 +228,10 @@ static int ceph_lock_wait_for_completion(struct ceph_mds_client *mdsc,
static int try_unlock_file(struct file *file, struct file_lock *fl)
{
int err;
- unsigned int orig_flags = fl->fl_flags;
- fl->fl_flags |= FL_EXISTS;
+ unsigned int orig_flags = fl->c.flc_flags;
+ fl->c.flc_flags |= FL_EXISTS;
err = locks_lock_file_wait(file, fl);
- fl->fl_flags = orig_flags;
+ fl->c.flc_flags = orig_flags;
if (err == -ENOENT) {
if (!(orig_flags & FL_EXISTS))
err = 0;
@@ -253,13 +254,13 @@ int ceph_lock(struct file *file, int cmd, struct file_lock *fl)
u8 wait = 0;
u8 lock_cmd;
- if (!(fl->fl_flags & FL_POSIX))
+ if (!(fl->c.flc_flags & FL_POSIX))
return -ENOLCK;
if (ceph_inode_is_shutdown(inode))
return -ESTALE;
- doutc(cl, "fl_owner: %p\n", fl->fl_owner);
+ doutc(cl, "fl_owner: %p\n", fl->c.flc_owner);
/* set wait bit as appropriate, then make command as Ceph expects it*/
if (IS_GETLK(cmd))
@@ -273,19 +274,19 @@ int ceph_lock(struct file *file, int cmd, struct file_lock *fl)
}
spin_unlock(&ci->i_ceph_lock);
if (err < 0) {
- if (op == CEPH_MDS_OP_SETFILELOCK && F_UNLCK == fl->fl_type)
+ if (op == CEPH_MDS_OP_SETFILELOCK && lock_is_unlock(fl))
posix_lock_file(file, fl, NULL);
return err;
}
- if (F_RDLCK == fl->fl_type)
+ if (lock_is_read(fl))
lock_cmd = CEPH_LOCK_SHARED;
- else if (F_WRLCK == fl->fl_type)
+ else if (lock_is_write(fl))
lock_cmd = CEPH_LOCK_EXCL;
else
lock_cmd = CEPH_LOCK_UNLOCK;
- if (op == CEPH_MDS_OP_SETFILELOCK && F_UNLCK == fl->fl_type) {
+ if (op == CEPH_MDS_OP_SETFILELOCK && lock_is_unlock(fl)) {
err = try_unlock_file(file, fl);
if (err <= 0)
return err;
@@ -293,7 +294,7 @@ int ceph_lock(struct file *file, int cmd, struct file_lock *fl)
err = ceph_lock_message(CEPH_LOCK_FCNTL, op, inode, lock_cmd, wait, fl);
if (!err) {
- if (op == CEPH_MDS_OP_SETFILELOCK && F_UNLCK != fl->fl_type) {
+ if (op == CEPH_MDS_OP_SETFILELOCK && F_UNLCK != fl->c.flc_type) {
doutc(cl, "locking locally\n");
err = posix_lock_file(file, fl, NULL);
if (err) {
@@ -319,13 +320,13 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl)
u8 wait = 0;
u8 lock_cmd;
- if (!(fl->fl_flags & FL_FLOCK))
+ if (!(fl->c.flc_flags & FL_FLOCK))
return -ENOLCK;
if (ceph_inode_is_shutdown(inode))
return -ESTALE;
- doutc(cl, "fl_file: %p\n", fl->fl_file);
+ doutc(cl, "fl_file: %p\n", fl->c.flc_file);
spin_lock(&ci->i_ceph_lock);
if (ci->i_ceph_flags & CEPH_I_ERROR_FILELOCK) {
@@ -333,7 +334,7 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl)
}
spin_unlock(&ci->i_ceph_lock);
if (err < 0) {
- if (F_UNLCK == fl->fl_type)
+ if (lock_is_unlock(fl))
locks_lock_file_wait(file, fl);
return err;
}
@@ -341,14 +342,14 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl)
if (IS_SETLKW(cmd))
wait = 1;
- if (F_RDLCK == fl->fl_type)
+ if (lock_is_read(fl))
lock_cmd = CEPH_LOCK_SHARED;
- else if (F_WRLCK == fl->fl_type)
+ else if (lock_is_write(fl))
lock_cmd = CEPH_LOCK_EXCL;
else
lock_cmd = CEPH_LOCK_UNLOCK;
- if (F_UNLCK == fl->fl_type) {
+ if (lock_is_unlock(fl)) {
err = try_unlock_file(file, fl);
if (err <= 0)
return err;
@@ -356,7 +357,7 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl)
err = ceph_lock_message(CEPH_LOCK_FLOCK, CEPH_MDS_OP_SETFILELOCK,
inode, lock_cmd, wait, fl);
- if (!err && F_UNLCK != fl->fl_type) {
+ if (!err && F_UNLCK != fl->c.flc_type) {
err = locks_lock_file_wait(file, fl);
if (err) {
ceph_lock_message(CEPH_LOCK_FLOCK,
@@ -385,9 +386,9 @@ void ceph_count_locks(struct inode *inode, int *fcntl_count, int *flock_count)
ctx = locks_inode_context(inode);
if (ctx) {
spin_lock(&ctx->flc_lock);
- list_for_each_entry(lock, &ctx->flc_posix, fl_list)
+ for_each_file_lock(lock, &ctx->flc_posix)
++(*fcntl_count);
- list_for_each_entry(lock, &ctx->flc_flock, fl_list)
+ for_each_file_lock(lock, &ctx->flc_flock)
++(*flock_count);
spin_unlock(&ctx->flc_lock);
}
@@ -408,10 +409,10 @@ static int lock_to_ceph_filelock(struct inode *inode,
cephlock->start = cpu_to_le64(lock->fl_start);
cephlock->length = cpu_to_le64(lock->fl_end - lock->fl_start + 1);
cephlock->client = cpu_to_le64(0);
- cephlock->pid = cpu_to_le64((u64)lock->fl_pid);
- cephlock->owner = cpu_to_le64(secure_addr(lock->fl_owner));
+ cephlock->pid = cpu_to_le64((u64) lock->c.flc_pid);
+ cephlock->owner = cpu_to_le64(secure_addr(lock->c.flc_owner));
- switch (lock->fl_type) {
+ switch (lock->c.flc_type) {
case F_RDLCK:
cephlock->type = CEPH_LOCK_SHARED;
break;
@@ -422,7 +423,8 @@ static int lock_to_ceph_filelock(struct inode *inode,
cephlock->type = CEPH_LOCK_UNLOCK;
break;
default:
- doutc(cl, "Have unknown lock type %d\n", lock->fl_type);
+ doutc(cl, "Have unknown lock type %d\n",
+ lock->c.flc_type);
err = -EINVAL;
}
@@ -453,7 +455,7 @@ int ceph_encode_locks_to_buffer(struct inode *inode,
return 0;
spin_lock(&ctx->flc_lock);
- list_for_each_entry(lock, &ctx->flc_posix, fl_list) {
+ for_each_file_lock(lock, &ctx->flc_posix) {
++seen_fcntl;
if (seen_fcntl > num_fcntl_locks) {
err = -ENOSPC;
@@ -464,7 +466,7 @@ int ceph_encode_locks_to_buffer(struct inode *inode,
goto fail;
++l;
}
- list_for_each_entry(lock, &ctx->flc_flock, fl_list) {
+ for_each_file_lock(lock, &ctx->flc_flock) {
++seen_flock;
if (seen_flock > num_flock_locks) {
err = -ENOSPC;
diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c
index d814c5121367..9ca83ef70ed1 100644
--- a/fs/dlm/plock.c
+++ b/fs/dlm/plock.c
@@ -138,14 +138,14 @@ int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
}
op->info.optype = DLM_PLOCK_OP_LOCK;
- op->info.pid = fl->fl_pid;
- op->info.ex = (fl->fl_type == F_WRLCK);
- op->info.wait = !!(fl->fl_flags & FL_SLEEP);
+ op->info.pid = fl->c.flc_pid;
+ op->info.ex = lock_is_write(fl);
+ op->info.wait = !!(fl->c.flc_flags & FL_SLEEP);
op->info.fsid = ls->ls_global_id;
op->info.number = number;
op->info.start = fl->fl_start;
op->info.end = fl->fl_end;
- op->info.owner = (__u64)(long)fl->fl_owner;
+ op->info.owner = (__u64)(long) fl->c.flc_owner;
/* async handling */
if (fl->fl_lmops && fl->fl_lmops->lm_grant) {
op_data = kzalloc(sizeof(*op_data), GFP_NOFS);
@@ -258,7 +258,7 @@ static int dlm_plock_callback(struct plock_op *op)
}
/* got fs lock; bookkeep locally as well: */
- flc->fl_flags &= ~FL_SLEEP;
+ flc->c.flc_flags &= ~FL_SLEEP;
if (posix_lock_file(file, flc, NULL)) {
/*
* This can only happen in the case of kmalloc() failure.
@@ -291,7 +291,7 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
struct dlm_ls *ls;
struct plock_op *op;
int rv;
- unsigned char fl_flags = fl->fl_flags;
+ unsigned char saved_flags = fl->c.flc_flags;
ls = dlm_find_lockspace_local(lockspace);
if (!ls)
@@ -304,7 +304,7 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
}
/* cause the vfs unlock to return ENOENT if lock is not found */
- fl->fl_flags |= FL_EXISTS;
+ fl->c.flc_flags |= FL_EXISTS;
rv = locks_lock_file_wait(file, fl);
if (rv == -ENOENT) {
@@ -317,14 +317,14 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
}
op->info.optype = DLM_PLOCK_OP_UNLOCK;
- op->info.pid = fl->fl_pid;
+ op->info.pid = fl->c.flc_pid;
op->info.fsid = ls->ls_global_id;
op->info.number = number;
op->info.start = fl->fl_start;
op->info.end = fl->fl_end;
- op->info.owner = (__u64)(long)fl->fl_owner;
+ op->info.owner = (__u64)(long) fl->c.flc_owner;
- if (fl->fl_flags & FL_CLOSE) {
+ if (fl->c.flc_flags & FL_CLOSE) {
op->info.flags |= DLM_PLOCK_FL_CLOSE;
send_op(op);
rv = 0;
@@ -345,7 +345,7 @@ out_free:
dlm_release_plock_op(op);
out:
dlm_put_lockspace(ls);
- fl->fl_flags = fl_flags;
+ fl->c.flc_flags = saved_flags;
return rv;
}
EXPORT_SYMBOL_GPL(dlm_posix_unlock);
@@ -375,14 +375,14 @@ int dlm_posix_cancel(dlm_lockspace_t *lockspace, u64 number, struct file *file,
return -EINVAL;
memset(&info, 0, sizeof(info));
- info.pid = fl->fl_pid;
- info.ex = (fl->fl_type == F_WRLCK);
+ info.pid = fl->c.flc_pid;
+ info.ex = lock_is_write(fl);
info.fsid = ls->ls_global_id;
dlm_put_lockspace(ls);
info.number = number;
info.start = fl->fl_start;
info.end = fl->fl_end;
- info.owner = (__u64)(long)fl->fl_owner;
+ info.owner = (__u64)(long) fl->c.flc_owner;
rv = do_lock_cancel(&info);
switch (rv) {
@@ -437,13 +437,13 @@ int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
}
op->info.optype = DLM_PLOCK_OP_GET;
- op->info.pid = fl->fl_pid;
- op->info.ex = (fl->fl_type == F_WRLCK);
+ op->info.pid = fl->c.flc_pid;
+ op->info.ex = lock_is_write(fl);
op->info.fsid = ls->ls_global_id;
op->info.number = number;
op->info.start = fl->fl_start;
op->info.end = fl->fl_end;
- op->info.owner = (__u64)(long)fl->fl_owner;
+ op->info.owner = (__u64)(long) fl->c.flc_owner;
send_op(op);
wait_event(recv_wq, (op->done != 0));
@@ -455,16 +455,16 @@ int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
rv = op->info.rv;
- fl->fl_type = F_UNLCK;
+ fl->c.flc_type = F_UNLCK;
if (rv == -ENOENT)
rv = 0;
else if (rv > 0) {
locks_init_lock(fl);
- fl->fl_type = (op->info.ex) ? F_WRLCK : F_RDLCK;
- fl->fl_flags = FL_POSIX;
- fl->fl_pid = op->info.pid;
+ fl->c.flc_type = (op->info.ex) ? F_WRLCK : F_RDLCK;
+ fl->c.flc_flags = FL_POSIX;
+ fl->c.flc_pid = op->info.pid;
if (op->info.nodeid != dlm_our_nodeid())
- fl->fl_pid = -fl->fl_pid;
+ fl->c.flc_pid = -fl->c.flc_pid;
fl->fl_start = op->info.start;
fl->fl_end = op->info.end;
rv = 0;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 148a71b8b4d0..c007b0f0c3a7 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2509,14 +2509,14 @@ static int convert_fuse_file_lock(struct fuse_conn *fc,
* translate it into the caller's pid namespace.
*/
rcu_read_lock();
- fl->fl_pid = pid_nr_ns(find_pid_ns(ffl->pid, fc->pid_ns), &init_pid_ns);
+ fl->c.flc_pid = pid_nr_ns(find_pid_ns(ffl->pid, fc->pid_ns), &init_pid_ns);
rcu_read_unlock();
break;
default:
return -EIO;
}
- fl->fl_type = ffl->type;
+ fl->c.flc_type = ffl->type;
return 0;
}
@@ -2530,10 +2530,10 @@ static void fuse_lk_fill(struct fuse_args *args, struct file *file,
memset(inarg, 0, sizeof(*inarg));
inarg->fh = ff->fh;
- inarg->owner = fuse_lock_owner_id(fc, fl->fl_owner);
+ inarg->owner = fuse_lock_owner_id(fc, fl->c.flc_owner);
inarg->lk.start = fl->fl_start;
inarg->lk.end = fl->fl_end;
- inarg->lk.type = fl->fl_type;
+ inarg->lk.type = fl->c.flc_type;
inarg->lk.pid = pid;
if (flock)
inarg->lk_flags |= FUSE_LK_FLOCK;
@@ -2570,8 +2570,8 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock)
struct fuse_mount *fm = get_fuse_mount(inode);
FUSE_ARGS(args);
struct fuse_lk_in inarg;
- int opcode = (fl->fl_flags & FL_SLEEP) ? FUSE_SETLKW : FUSE_SETLK;
- struct pid *pid = fl->fl_type != F_UNLCK ? task_tgid(current) : NULL;
+ int opcode = (fl->c.flc_flags & FL_SLEEP) ? FUSE_SETLKW : FUSE_SETLK;
+ struct pid *pid = fl->c.flc_type != F_UNLCK ? task_tgid(current) : NULL;
pid_t pid_nr = pid_nr_ns(pid, fm->fc->pid_ns);
int err;
@@ -2581,7 +2581,7 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock)
}
/* Unlock on close is handled by the flush method */
- if ((fl->fl_flags & FL_CLOSE_POSIX) == FL_CLOSE_POSIX)
+ if ((fl->c.flc_flags & FL_CLOSE_POSIX) == FL_CLOSE_POSIX)
return 0;
fuse_lk_fill(&args, file, fl, opcode, pid_nr, flock, &inarg);
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 992ca4effb50..4c42ada60ae7 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -1440,10 +1440,10 @@ static int gfs2_lock(struct file *file, int cmd, struct file_lock *fl)
struct gfs2_sbd *sdp = GFS2_SB(file->f_mapping->host);
struct lm_lockstruct *ls = &sdp->sd_lockstruct;
- if (!(fl->fl_flags & FL_POSIX))
+ if (!(fl->c.flc_flags & FL_POSIX))
return -ENOLCK;
if (gfs2_withdrawing_or_withdrawn(sdp)) {
- if (fl->fl_type == F_UNLCK)
+ if (lock_is_unlock(fl))
locks_lock_file_wait(file, fl);
return -EIO;
}
@@ -1451,7 +1451,7 @@ static int gfs2_lock(struct file *file, int cmd, struct file_lock *fl)
return dlm_posix_cancel(ls->ls_dlm, ip->i_no_addr, file, fl);
else if (IS_GETLK(cmd))
return dlm_posix_get(ls->ls_dlm, ip->i_no_addr, file, fl);
- else if (fl->fl_type == F_UNLCK)
+ else if (lock_is_unlock(fl))
return dlm_posix_unlock(ls->ls_dlm, ip->i_no_addr, file, fl);
else
return dlm_posix_lock(ls->ls_dlm, ip->i_no_addr, file, cmd, fl);
@@ -1483,7 +1483,7 @@ static int do_flock(struct file *file, int cmd, struct file_lock *fl)
int error = 0;
int sleeptime;
- state = (fl->fl_type == F_WRLCK) ? LM_ST_EXCLUSIVE : LM_ST_SHARED;
+ state = lock_is_write(fl) ? LM_ST_EXCLUSIVE : LM_ST_SHARED;
flags = GL_EXACT | GL_NOPID;
if (!IS_SETLKW(cmd))
flags |= LM_FLAG_TRY_1CB;
@@ -1495,8 +1495,8 @@ static int do_flock(struct file *file, int cmd, struct file_lock *fl)
if (fl_gh->gh_state == state)
goto out;
locks_init_lock(&request);
- request.fl_type = F_UNLCK;
- request.fl_flags = FL_FLOCK;
+ request.c.flc_type = F_UNLCK;
+ request.c.flc_flags = FL_FLOCK;
locks_lock_file_wait(file, &request);
gfs2_glock_dq(fl_gh);
gfs2_holder_reinit(state, flags, fl_gh);
@@ -1557,10 +1557,10 @@ static void do_unflock(struct file *file, struct file_lock *fl)
static int gfs2_flock(struct file *file, int cmd, struct file_lock *fl)
{
- if (!(fl->fl_flags & FL_FLOCK))
+ if (!(fl->c.flc_flags & FL_FLOCK))
return -ENOLCK;
- if (fl->fl_type == F_UNLCK) {
+ if (lock_is_unlock(fl)) {
do_unflock(file, fl);
return 0;
} else {
diff --git a/fs/libfs.c b/fs/libfs.c
index 680c727d1bbc..0d14ae808fcf 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1615,7 +1615,7 @@ EXPORT_SYMBOL(alloc_anon_inode);
* All arguments are ignored and it just returns -EINVAL.
*/
int
-simple_nosetlease(struct file *filp, int arg, struct file_lock **flp,
+simple_nosetlease(struct file *filp, int arg, struct file_lease **flp,
void **priv)
{
return -EINVAL;
diff --git a/fs/lockd/clnt4xdr.c b/fs/lockd/clnt4xdr.c
index 8161667c976f..527458db4525 100644
--- a/fs/lockd/clnt4xdr.c
+++ b/fs/lockd/clnt4xdr.c
@@ -243,7 +243,7 @@ static void encode_nlm4_holder(struct xdr_stream *xdr,
u64 l_offset, l_len;
__be32 *p;
- encode_bool(xdr, lock->fl.fl_type == F_RDLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_RDLCK);
encode_int32(xdr, lock->svid);
encode_netobj(xdr, lock->oh.data, lock->oh.len);
@@ -270,7 +270,7 @@ static int decode_nlm4_holder(struct xdr_stream *xdr, struct nlm_res *result)
goto out_overflow;
exclusive = be32_to_cpup(p++);
lock->svid = be32_to_cpup(p);
- fl->fl_pid = (pid_t)lock->svid;
+ fl->c.flc_pid = (pid_t)lock->svid;
error = decode_netobj(xdr, &lock->oh);
if (unlikely(error))
@@ -280,8 +280,8 @@ static int decode_nlm4_holder(struct xdr_stream *xdr, struct nlm_res *result)
if (unlikely(p == NULL))
goto out_overflow;
- fl->fl_flags = FL_POSIX;
- fl->fl_type = exclusive != 0 ? F_WRLCK : F_RDLCK;
+ fl->c.flc_flags = FL_POSIX;
+ fl->c.flc_type = exclusive != 0 ? F_WRLCK : F_RDLCK;
p = xdr_decode_hyper(p, &l_offset);
xdr_decode_hyper(p, &l_len);
nlm4svc_set_file_lock_range(fl, l_offset, l_len);
@@ -357,7 +357,7 @@ static void nlm4_xdr_enc_testargs(struct rpc_rqst *req,
const struct nlm_lock *lock = &args->lock;
encode_cookie(xdr, &args->cookie);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm4_lock(xdr, lock);
}
@@ -380,7 +380,7 @@ static void nlm4_xdr_enc_lockargs(struct rpc_rqst *req,
encode_cookie(xdr, &args->cookie);
encode_bool(xdr, args->block);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm4_lock(xdr, lock);
encode_bool(xdr, args->reclaim);
encode_int32(xdr, args->state);
@@ -403,7 +403,7 @@ static void nlm4_xdr_enc_cancargs(struct rpc_rqst *req,
encode_cookie(xdr, &args->cookie);
encode_bool(xdr, args->block);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm4_lock(xdr, lock);
}
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index 5d85715be763..a7e0519ec024 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -185,7 +185,7 @@ __be32 nlmclnt_grant(const struct sockaddr *addr, const struct nlm_lock *lock)
continue;
if (!rpc_cmp_addr(nlm_addr(block->b_host), addr))
continue;
- if (nfs_compare_fh(NFS_FH(file_inode(fl_blocked->fl_file)), fh) != 0)
+ if (nfs_compare_fh(NFS_FH(file_inode(fl_blocked->c.flc_file)), fh) != 0)
continue;
/* Alright, we found a lock. Set the return status
* and wake up the caller
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index fba6c7fa7474..cebcc283b7ce 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -133,7 +133,8 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl)
char *nodename = req->a_host->h_rpcclnt->cl_nodename;
nlmclnt_next_cookie(&argp->cookie);
- memcpy(&lock->fh, NFS_FH(file_inode(fl->fl_file)), sizeof(struct nfs_fh));
+ memcpy(&lock->fh, NFS_FH(file_inode(fl->c.flc_file)),
+ sizeof(struct nfs_fh));
lock->caller = nodename;
lock->oh.data = req->a_owner;
lock->oh.len = snprintf(req->a_owner, sizeof(req->a_owner), "%u@%s",
@@ -142,7 +143,7 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl)
lock->svid = fl->fl_u.nfs_fl.owner->pid;
lock->fl.fl_start = fl->fl_start;
lock->fl.fl_end = fl->fl_end;
- lock->fl.fl_type = fl->fl_type;
+ lock->fl.c.flc_type = fl->c.flc_type;
}
static void nlmclnt_release_lockargs(struct nlm_rqst *req)
@@ -182,7 +183,7 @@ int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl, void *dat
call->a_callback_data = data;
if (IS_SETLK(cmd) || IS_SETLKW(cmd)) {
- if (fl->fl_type != F_UNLCK) {
+ if (fl->c.flc_type != F_UNLCK) {
call->a_args.block = IS_SETLKW(cmd) ? 1 : 0;
status = nlmclnt_lock(call, fl);
} else
@@ -432,13 +433,14 @@ nlmclnt_test(struct nlm_rqst *req, struct file_lock *fl)
{
int status;
- status = nlmclnt_call(nfs_file_cred(fl->fl_file), req, NLMPROC_TEST);
+ status = nlmclnt_call(nfs_file_cred(fl->c.flc_file), req,
+ NLMPROC_TEST);
if (status < 0)
goto out;
switch (req->a_res.status) {
case nlm_granted:
- fl->fl_type = F_UNLCK;
+ fl->c.flc_type = F_UNLCK;
break;
case nlm_lck_denied:
/*
@@ -446,8 +448,8 @@ nlmclnt_test(struct nlm_rqst *req, struct file_lock *fl)
*/
fl->fl_start = req->a_res.lock.fl.fl_start;
fl->fl_end = req->a_res.lock.fl.fl_end;
- fl->fl_type = req->a_res.lock.fl.fl_type;
- fl->fl_pid = -req->a_res.lock.fl.fl_pid;
+ fl->c.flc_type = req->a_res.lock.fl.c.flc_type;
+ fl->c.flc_pid = -req->a_res.lock.fl.c.flc_pid;
break;
default:
status = nlm_stat_to_errno(req->a_res.status);
@@ -485,14 +487,15 @@ static const struct file_lock_operations nlmclnt_lock_ops = {
static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host)
{
fl->fl_u.nfs_fl.state = 0;
- fl->fl_u.nfs_fl.owner = nlmclnt_find_lockowner(host, fl->fl_owner);
+ fl->fl_u.nfs_fl.owner = nlmclnt_find_lockowner(host,
+ fl->c.flc_owner);
INIT_LIST_HEAD(&fl->fl_u.nfs_fl.list);
fl->fl_ops = &nlmclnt_lock_ops;
}
static int do_vfs_lock(struct file_lock *fl)
{
- return locks_lock_file_wait(fl->fl_file, fl);
+ return locks_lock_file_wait(fl->c.flc_file, fl);
}
/*
@@ -518,12 +521,12 @@ static int do_vfs_lock(struct file_lock *fl)
static int
nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
{
- const struct cred *cred = nfs_file_cred(fl->fl_file);
+ const struct cred *cred = nfs_file_cred(fl->c.flc_file);
struct nlm_host *host = req->a_host;
struct nlm_res *resp = &req->a_res;
struct nlm_wait block;
- unsigned char fl_flags = fl->fl_flags;
- unsigned char fl_type;
+ unsigned char flags = fl->c.flc_flags;
+ unsigned char type;
__be32 b_status;
int status = -ENOLCK;
@@ -531,9 +534,9 @@ nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
goto out;
req->a_args.state = nsm_local_state;
- fl->fl_flags |= FL_ACCESS;
+ fl->c.flc_flags |= FL_ACCESS;
status = do_vfs_lock(fl);
- fl->fl_flags = fl_flags;
+ fl->c.flc_flags = flags;
if (status < 0)
goto out;
@@ -591,11 +594,11 @@ again:
goto again;
}
/* Ensure the resulting lock will get added to granted list */
- fl->fl_flags |= FL_SLEEP;
+ fl->c.flc_flags |= FL_SLEEP;
if (do_vfs_lock(fl) < 0)
printk(KERN_WARNING "%s: VFS is out of sync with lock manager!\n", __func__);
up_read(&host->h_rwsem);
- fl->fl_flags = fl_flags;
+ fl->c.flc_flags = flags;
status = 0;
}
if (status < 0)
@@ -605,7 +608,7 @@ again:
* cases NLM_LCK_DENIED is returned for a permanent error. So
* turn it into an ENOLCK.
*/
- if (resp->status == nlm_lck_denied && (fl_flags & FL_SLEEP))
+ if (resp->status == nlm_lck_denied && (flags & FL_SLEEP))
status = -ENOLCK;
else
status = nlm_stat_to_errno(resp->status);
@@ -622,13 +625,13 @@ out_unlock:
req->a_host->h_addrlen, req->a_res.status);
dprintk("lockd: lock attempt ended in fatal error.\n"
" Attempting to unlock.\n");
- fl_type = fl->fl_type;
- fl->fl_type = F_UNLCK;
+ type = fl->c.flc_type;
+ fl->c.flc_type = F_UNLCK;
down_read(&host->h_rwsem);
do_vfs_lock(fl);
up_read(&host->h_rwsem);
- fl->fl_type = fl_type;
- fl->fl_flags = fl_flags;
+ fl->c.flc_type = type;
+ fl->c.flc_flags = flags;
nlmclnt_async_call(cred, req, NLMPROC_UNLOCK, &nlmclnt_unlock_ops);
return status;
}
@@ -651,12 +654,14 @@ nlmclnt_reclaim(struct nlm_host *host, struct file_lock *fl,
nlmclnt_setlockargs(req, fl);
req->a_args.reclaim = 1;
- status = nlmclnt_call(nfs_file_cred(fl->fl_file), req, NLMPROC_LOCK);
+ status = nlmclnt_call(nfs_file_cred(fl->c.flc_file), req,
+ NLMPROC_LOCK);
if (status >= 0 && req->a_res.status == nlm_granted)
return 0;
printk(KERN_WARNING "lockd: failed to reclaim lock for pid %d "
- "(errno %d, status %d)\n", fl->fl_pid,
+ "(errno %d, status %d)\n",
+ fl->c.flc_pid,
status, ntohl(req->a_res.status));
/*
@@ -683,26 +688,26 @@ nlmclnt_unlock(struct nlm_rqst *req, struct file_lock *fl)
struct nlm_host *host = req->a_host;
struct nlm_res *resp = &req->a_res;
int status;
- unsigned char fl_flags = fl->fl_flags;
+ unsigned char flags = fl->c.flc_flags;
/*
* Note: the server is supposed to either grant us the unlock
* request, or to deny it with NLM_LCK_DENIED_GRACE_PERIOD. In either
* case, we want to unlock.
*/
- fl->fl_flags |= FL_EXISTS;
+ fl->c.flc_flags |= FL_EXISTS;
down_read(&host->h_rwsem);
status = do_vfs_lock(fl);
up_read(&host->h_rwsem);
- fl->fl_flags = fl_flags;
+ fl->c.flc_flags = flags;
if (status == -ENOENT) {
status = 0;
goto out;
}
refcount_inc(&req->a_count);
- status = nlmclnt_async_call(nfs_file_cred(fl->fl_file), req,
- NLMPROC_UNLOCK, &nlmclnt_unlock_ops);
+ status = nlmclnt_async_call(nfs_file_cred(fl->c.flc_file), req,
+ NLMPROC_UNLOCK, &nlmclnt_unlock_ops);
if (status < 0)
goto out;
@@ -795,8 +800,8 @@ static int nlmclnt_cancel(struct nlm_host *host, int block, struct file_lock *fl
req->a_args.block = block;
refcount_inc(&req->a_count);
- status = nlmclnt_async_call(nfs_file_cred(fl->fl_file), req,
- NLMPROC_CANCEL, &nlmclnt_cancel_ops);
+ status = nlmclnt_async_call(nfs_file_cred(fl->c.flc_file), req,
+ NLMPROC_CANCEL, &nlmclnt_cancel_ops);
if (status == 0 && req->a_res.status == nlm_lck_denied)
status = -ENOLCK;
nlmclnt_release_call(req);
diff --git a/fs/lockd/clntxdr.c b/fs/lockd/clntxdr.c
index 4df62f635529..a3e97278b997 100644
--- a/fs/lockd/clntxdr.c
+++ b/fs/lockd/clntxdr.c
@@ -238,7 +238,7 @@ static void encode_nlm_holder(struct xdr_stream *xdr,
u32 l_offset, l_len;
__be32 *p;
- encode_bool(xdr, lock->fl.fl_type == F_RDLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_RDLCK);
encode_int32(xdr, lock->svid);
encode_netobj(xdr, lock->oh.data, lock->oh.len);
@@ -265,7 +265,7 @@ static int decode_nlm_holder(struct xdr_stream *xdr, struct nlm_res *result)
goto out_overflow;
exclusive = be32_to_cpup(p++);
lock->svid = be32_to_cpup(p);
- fl->fl_pid = (pid_t)lock->svid;
+ fl->c.flc_pid = (pid_t)lock->svid;
error = decode_netobj(xdr, &lock->oh);
if (unlikely(error))
@@ -275,8 +275,8 @@ static int decode_nlm_holder(struct xdr_stream *xdr, struct nlm_res *result)
if (unlikely(p == NULL))
goto out_overflow;
- fl->fl_flags = FL_POSIX;
- fl->fl_type = exclusive != 0 ? F_WRLCK : F_RDLCK;
+ fl->c.flc_flags = FL_POSIX;
+ fl->c.flc_type = exclusive != 0 ? F_WRLCK : F_RDLCK;
l_offset = be32_to_cpup(p++);
l_len = be32_to_cpup(p);
end = l_offset + l_len - 1;
@@ -357,7 +357,7 @@ static void nlm_xdr_enc_testargs(struct rpc_rqst *req,
const struct nlm_lock *lock = &args->lock;
encode_cookie(xdr, &args->cookie);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm_lock(xdr, lock);
}
@@ -380,7 +380,7 @@ static void nlm_xdr_enc_lockargs(struct rpc_rqst *req,
encode_cookie(xdr, &args->cookie);
encode_bool(xdr, args->block);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm_lock(xdr, lock);
encode_bool(xdr, args->reclaim);
encode_int32(xdr, args->state);
@@ -403,7 +403,7 @@ static void nlm_xdr_enc_cancargs(struct rpc_rqst *req,
encode_cookie(xdr, &args->cookie);
encode_bool(xdr, args->block);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm_lock(xdr, lock);
}
diff --git a/fs/lockd/svc4proc.c b/fs/lockd/svc4proc.c
index b72023a6b4c1..8a72c418cdcc 100644
--- a/fs/lockd/svc4proc.c
+++ b/fs/lockd/svc4proc.c
@@ -52,16 +52,16 @@ nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
*filp = file;
/* Set up the missing parts of the file_lock structure */
- lock->fl.fl_flags = FL_POSIX;
- lock->fl.fl_file = file->f_file[mode];
- lock->fl.fl_pid = current->tgid;
+ lock->fl.c.flc_flags = FL_POSIX;
+ lock->fl.c.flc_file = file->f_file[mode];
+ lock->fl.c.flc_pid = current->tgid;
lock->fl.fl_start = (loff_t)lock->lock_start;
lock->fl.fl_end = lock->lock_len ?
(loff_t)(lock->lock_start + lock->lock_len - 1) :
OFFSET_MAX;
lock->fl.fl_lmops = &nlmsvc_lock_operations;
nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid);
- if (!lock->fl.fl_owner) {
+ if (!lock->fl.c.flc_owner) {
/* lockowner allocation has failed */
nlmsvc_release_host(host);
return nlm_lck_denied_nolocks;
@@ -106,7 +106,7 @@ __nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
- test_owner = argp->lock.fl.fl_owner;
+ test_owner = argp->lock.fl.c.flc_owner;
/* Now check for conflicting locks */
resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie);
if (resp->status == nlm_drop_reply)
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 2dc10900ad1c..1f2149db10f2 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -150,16 +150,17 @@ nlmsvc_lookup_block(struct nlm_file *file, struct nlm_lock *lock)
struct file_lock *fl;
dprintk("lockd: nlmsvc_lookup_block f=%p pd=%d %Ld-%Ld ty=%d\n",
- file, lock->fl.fl_pid,
+ file, lock->fl.c.flc_pid,
(long long)lock->fl.fl_start,
- (long long)lock->fl.fl_end, lock->fl.fl_type);
+ (long long)lock->fl.fl_end,
+ lock->fl.c.flc_type);
spin_lock(&nlm_blocked_lock);
list_for_each_entry(block, &nlm_blocked, b_list) {
fl = &block->b_call->a_args.lock.fl;
dprintk("lockd: check f=%p pd=%d %Ld-%Ld ty=%d cookie=%s\n",
- block->b_file, fl->fl_pid,
+ block->b_file, fl->c.flc_pid,
(long long)fl->fl_start,
- (long long)fl->fl_end, fl->fl_type,
+ (long long)fl->fl_end, fl->c.flc_type,
nlmdbg_cookie2a(&block->b_call->a_args.cookie));
if (block->b_file == file && nlm_compare_locks(fl, &lock->fl)) {
kref_get(&block->b_count);
@@ -244,7 +245,7 @@ nlmsvc_create_block(struct svc_rqst *rqstp, struct nlm_host *host,
goto failed_free;
/* Set notifier function for VFS, and init args */
- call->a_args.lock.fl.fl_flags |= FL_SLEEP;
+ call->a_args.lock.fl.c.flc_flags |= FL_SLEEP;
call->a_args.lock.fl.fl_lmops = &nlmsvc_lock_operations;
nlmclnt_next_cookie(&call->a_args.cookie);
@@ -402,14 +403,14 @@ static struct nlm_lockowner *nlmsvc_find_lockowner(struct nlm_host *host, pid_t
void
nlmsvc_release_lockowner(struct nlm_lock *lock)
{
- if (lock->fl.fl_owner)
- nlmsvc_put_lockowner(lock->fl.fl_owner);
+ if (lock->fl.c.flc_owner)
+ nlmsvc_put_lockowner(lock->fl.c.flc_owner);
}
void nlmsvc_locks_init_private(struct file_lock *fl, struct nlm_host *host,
pid_t pid)
{
- fl->fl_owner = nlmsvc_find_lockowner(host, pid);
+ fl->c.flc_owner = nlmsvc_find_lockowner(host, pid);
}
/*
@@ -425,7 +426,7 @@ static int nlmsvc_setgrantargs(struct nlm_rqst *call, struct nlm_lock *lock)
/* set default data area */
call->a_args.lock.oh.data = call->a_owner;
- call->a_args.lock.svid = ((struct nlm_lockowner *)lock->fl.fl_owner)->pid;
+ call->a_args.lock.svid = ((struct nlm_lockowner *) lock->fl.c.flc_owner)->pid;
if (lock->oh.len > NLMCLNT_OHSIZE) {
void *data = kmalloc(lock->oh.len, GFP_KERNEL);
@@ -489,7 +490,8 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
dprintk("lockd: nlmsvc_lock(%s/%ld, ty=%d, pi=%d, %Ld-%Ld, bl=%d)\n",
inode->i_sb->s_id, inode->i_ino,
- lock->fl.fl_type, lock->fl.fl_pid,
+ lock->fl.c.flc_type,
+ lock->fl.c.flc_pid,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end,
wait);
@@ -512,7 +514,7 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
goto out;
lock = &block->b_call->a_args.lock;
} else
- lock->fl.fl_flags &= ~FL_SLEEP;
+ lock->fl.c.flc_flags &= ~FL_SLEEP;
if (block->b_flags & B_QUEUED) {
dprintk("lockd: nlmsvc_lock deferred block %p flags %d\n",
@@ -560,10 +562,10 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
spin_unlock(&nlm_blocked_lock);
if (!wait)
- lock->fl.fl_flags &= ~FL_SLEEP;
+ lock->fl.c.flc_flags &= ~FL_SLEEP;
mode = lock_to_openmode(&lock->fl);
error = vfs_lock_file(file->f_file[mode], F_SETLK, &lock->fl, NULL);
- lock->fl.fl_flags &= ~FL_SLEEP;
+ lock->fl.c.flc_flags &= ~FL_SLEEP;
dprintk("lockd: vfs_lock_file returned %d\n", error);
switch (error) {
@@ -616,7 +618,7 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
dprintk("lockd: nlmsvc_testlock(%s/%ld, ty=%d, %Ld-%Ld)\n",
nlmsvc_file_inode(file)->i_sb->s_id,
nlmsvc_file_inode(file)->i_ino,
- lock->fl.fl_type,
+ lock->fl.c.flc_type,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
@@ -636,19 +638,19 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
goto out;
}
- if (lock->fl.fl_type == F_UNLCK) {
+ if (lock->fl.c.flc_type == F_UNLCK) {
ret = nlm_granted;
goto out;
}
dprintk("lockd: conflicting lock(ty=%d, %Ld-%Ld)\n",
- lock->fl.fl_type, (long long)lock->fl.fl_start,
+ lock->fl.c.flc_type, (long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
conflock->caller = "somehost"; /* FIXME */
conflock->len = strlen(conflock->caller);
conflock->oh.len = 0; /* don't return OH info */
- conflock->svid = lock->fl.fl_pid;
- conflock->fl.fl_type = lock->fl.fl_type;
+ conflock->svid = lock->fl.c.flc_pid;
+ conflock->fl.c.flc_type = lock->fl.c.flc_type;
conflock->fl.fl_start = lock->fl.fl_start;
conflock->fl.fl_end = lock->fl.fl_end;
locks_release_private(&lock->fl);
@@ -673,21 +675,21 @@ nlmsvc_unlock(struct net *net, struct nlm_file *file, struct nlm_lock *lock)
dprintk("lockd: nlmsvc_unlock(%s/%ld, pi=%d, %Ld-%Ld)\n",
nlmsvc_file_inode(file)->i_sb->s_id,
nlmsvc_file_inode(file)->i_ino,
- lock->fl.fl_pid,
+ lock->fl.c.flc_pid,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
/* First, cancel any lock that might be there */
nlmsvc_cancel_blocked(net, file, lock);
- lock->fl.fl_type = F_UNLCK;
- lock->fl.fl_file = file->f_file[O_RDONLY];
- if (lock->fl.fl_file)
- error = vfs_lock_file(lock->fl.fl_file, F_SETLK,
+ lock->fl.c.flc_type = F_UNLCK;
+ lock->fl.c.flc_file = file->f_file[O_RDONLY];
+ if (lock->fl.c.flc_file)
+ error = vfs_lock_file(lock->fl.c.flc_file, F_SETLK,
&lock->fl, NULL);
- lock->fl.fl_file = file->f_file[O_WRONLY];
- if (lock->fl.fl_file)
- error |= vfs_lock_file(lock->fl.fl_file, F_SETLK,
+ lock->fl.c.flc_file = file->f_file[O_WRONLY];
+ if (lock->fl.c.flc_file)
+ error |= vfs_lock_file(lock->fl.c.flc_file, F_SETLK,
&lock->fl, NULL);
return (error < 0)? nlm_lck_denied_nolocks : nlm_granted;
@@ -710,7 +712,7 @@ nlmsvc_cancel_blocked(struct net *net, struct nlm_file *file, struct nlm_lock *l
dprintk("lockd: nlmsvc_cancel(%s/%ld, pi=%d, %Ld-%Ld)\n",
nlmsvc_file_inode(file)->i_sb->s_id,
nlmsvc_file_inode(file)->i_ino,
- lock->fl.fl_pid,
+ lock->fl.c.flc_pid,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
@@ -863,12 +865,12 @@ nlmsvc_grant_blocked(struct nlm_block *block)
/* vfs_lock_file() can mangle fl_start and fl_end, but we need
* them unchanged for the GRANT_MSG
*/
- lock->fl.fl_flags |= FL_SLEEP;
+ lock->fl.c.flc_flags |= FL_SLEEP;
fl_start = lock->fl.fl_start;
fl_end = lock->fl.fl_end;
mode = lock_to_openmode(&lock->fl);
error = vfs_lock_file(file->f_file[mode], F_SETLK, &lock->fl, NULL);
- lock->fl.fl_flags &= ~FL_SLEEP;
+ lock->fl.c.flc_flags &= ~FL_SLEEP;
lock->fl.fl_start = fl_start;
lock->fl.fl_end = fl_end;
@@ -993,8 +995,8 @@ nlmsvc_grant_reply(struct nlm_cookie *cookie, __be32 status)
/* Client doesn't want it, just unlock it */
nlmsvc_unlink_block(block);
fl = &block->b_call->a_args.lock.fl;
- fl->fl_type = F_UNLCK;
- error = vfs_lock_file(fl->fl_file, F_SETLK, fl, NULL);
+ fl->c.flc_type = F_UNLCK;
+ error = vfs_lock_file(fl->c.flc_file, F_SETLK, fl, NULL);
if (error)
pr_warn("lockd: unable to unlock lock rejected by client!\n");
break;
diff --git a/fs/lockd/svcproc.c b/fs/lockd/svcproc.c
index 32784f508c81..a03220e66ce0 100644
--- a/fs/lockd/svcproc.c
+++ b/fs/lockd/svcproc.c
@@ -77,12 +77,12 @@ nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
/* Set up the missing parts of the file_lock structure */
mode = lock_to_openmode(&lock->fl);
- lock->fl.fl_flags = FL_POSIX;
- lock->fl.fl_file = file->f_file[mode];
- lock->fl.fl_pid = current->tgid;
+ lock->fl.c.flc_flags = FL_POSIX;
+ lock->fl.c.flc_file = file->f_file[mode];
+ lock->fl.c.flc_pid = current->tgid;
lock->fl.fl_lmops = &nlmsvc_lock_operations;
nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid);
- if (!lock->fl.fl_owner) {
+ if (!lock->fl.c.flc_owner) {
/* lockowner allocation has failed */
nlmsvc_release_host(host);
return nlm_lck_denied_nolocks;
@@ -127,7 +127,7 @@ __nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
- test_owner = argp->lock.fl.fl_owner;
+ test_owner = argp->lock.fl.c.flc_owner;
/* Now check for conflicting locks */
resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie));
diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index e3b6229e7ae5..9103896164f6 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -73,7 +73,7 @@ static inline unsigned int file_hash(struct nfs_fh *f)
int lock_to_openmode(struct file_lock *lock)
{
- return (lock->fl_type == F_WRLCK) ? O_WRONLY : O_RDONLY;
+ return lock_is_write(lock) ? O_WRONLY : O_RDONLY;
}
/*
@@ -181,18 +181,18 @@ static int nlm_unlock_files(struct nlm_file *file, const struct file_lock *fl)
struct file_lock lock;
locks_init_lock(&lock);
- lock.fl_type = F_UNLCK;
+ lock.c.flc_type = F_UNLCK;
lock.fl_start = 0;
lock.fl_end = OFFSET_MAX;
- lock.fl_owner = fl->fl_owner;
- lock.fl_pid = fl->fl_pid;
- lock.fl_flags = FL_POSIX;
+ lock.c.flc_owner = fl->c.flc_owner;
+ lock.c.flc_pid = fl->c.flc_pid;
+ lock.c.flc_flags = FL_POSIX;
- lock.fl_file = file->f_file[O_RDONLY];
- if (lock.fl_file && vfs_lock_file(lock.fl_file, F_SETLK, &lock, NULL))
+ lock.c.flc_file = file->f_file[O_RDONLY];
+ if (lock.c.flc_file && vfs_lock_file(lock.c.flc_file, F_SETLK, &lock, NULL))
goto out_err;
- lock.fl_file = file->f_file[O_WRONLY];
- if (lock.fl_file && vfs_lock_file(lock.fl_file, F_SETLK, &lock, NULL))
+ lock.c.flc_file = file->f_file[O_WRONLY];
+ if (lock.c.flc_file && vfs_lock_file(lock.c.flc_file, F_SETLK, &lock, NULL))
goto out_err;
return 0;
out_err:
@@ -218,14 +218,14 @@ nlm_traverse_locks(struct nlm_host *host, struct nlm_file *file,
again:
file->f_locks = 0;
spin_lock(&flctx->flc_lock);
- list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
+ for_each_file_lock(fl, &flctx->flc_posix) {
if (fl->fl_lmops != &nlmsvc_lock_operations)
continue;
/* update current lock count */
file->f_locks++;
- lockhost = ((struct nlm_lockowner *)fl->fl_owner)->host;
+ lockhost = ((struct nlm_lockowner *) fl->c.flc_owner)->host;
if (match(lockhost, host)) {
spin_unlock(&flctx->flc_lock);
@@ -272,7 +272,7 @@ nlm_file_inuse(struct nlm_file *file)
if (flctx && !list_empty_careful(&flctx->flc_posix)) {
spin_lock(&flctx->flc_lock);
- list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
+ for_each_file_lock(fl, &flctx->flc_posix) {
if (fl->fl_lmops == &nlmsvc_lock_operations) {
spin_unlock(&flctx->flc_lock);
return 1;
diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index 2fb5748dae0c..adfcce2bf11b 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -88,8 +88,8 @@ svcxdr_decode_lock(struct xdr_stream *xdr, struct nlm_lock *lock)
return false;
locks_init_lock(fl);
- fl->fl_flags = FL_POSIX;
- fl->fl_type = F_RDLCK;
+ fl->c.flc_flags = FL_POSIX;
+ fl->c.flc_type = F_RDLCK;
end = start + len - 1;
fl->fl_start = s32_to_loff_t(start);
if (len == 0 || end < 0)
@@ -107,7 +107,7 @@ svcxdr_encode_holder(struct xdr_stream *xdr, const struct nlm_lock *lock)
s32 start, len;
/* exclusive */
- if (xdr_stream_encode_bool(xdr, fl->fl_type != F_RDLCK) < 0)
+ if (xdr_stream_encode_bool(xdr, fl->c.flc_type != F_RDLCK) < 0)
return false;
if (xdr_stream_encode_u32(xdr, lock->svid) < 0)
return false;
@@ -164,7 +164,7 @@ nlmsvc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
return true;
}
@@ -184,7 +184,7 @@ nlmsvc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
if (xdr_stream_decode_bool(xdr, &argp->reclaim) < 0)
return false;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
@@ -209,7 +209,7 @@ nlmsvc_decode_cancargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
return true;
}
@@ -223,7 +223,7 @@ nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
- argp->lock.fl.fl_type = F_UNLCK;
+ argp->lock.fl.c.flc_type = F_UNLCK;
return true;
}
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c
index 5fcbf30cd275..3d28b9c3ed15 100644
--- a/fs/lockd/xdr4.c
+++ b/fs/lockd/xdr4.c
@@ -89,8 +89,8 @@ svcxdr_decode_lock(struct xdr_stream *xdr, struct nlm_lock *lock)
return false;
locks_init_lock(fl);
- fl->fl_flags = FL_POSIX;
- fl->fl_type = F_RDLCK;
+ fl->c.flc_flags = FL_POSIX;
+ fl->c.flc_type = F_RDLCK;
nlm4svc_set_file_lock_range(fl, lock->lock_start, lock->lock_len);
return true;
}
@@ -102,7 +102,7 @@ svcxdr_encode_holder(struct xdr_stream *xdr, const struct nlm_lock *lock)
s64 start, len;
/* exclusive */
- if (xdr_stream_encode_bool(xdr, fl->fl_type != F_RDLCK) < 0)
+ if (xdr_stream_encode_bool(xdr, fl->c.flc_type != F_RDLCK) < 0)
return false;
if (xdr_stream_encode_u32(xdr, lock->svid) < 0)
return false;
@@ -159,7 +159,7 @@ nlm4svc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
return true;
}
@@ -179,7 +179,7 @@ nlm4svc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
if (xdr_stream_decode_bool(xdr, &argp->reclaim) < 0)
return false;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
@@ -204,7 +204,7 @@ nlm4svc_decode_cancargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
return true;
}
@@ -218,7 +218,7 @@ nlm4svc_decode_unlockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
- argp->lock.fl.fl_type = F_UNLCK;
+ argp->lock.fl.c.flc_type = F_UNLCK;
return true;
}
diff --git a/fs/locks.c b/fs/locks.c
index cc7c117ee192..90c8746874de 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -48,7 +48,6 @@
* children.
*
*/
-
#include <linux/capability.h>
#include <linux/file.h>
#include <linux/fdtable.h>
@@ -70,24 +69,28 @@
#include <linux/uaccess.h>
-#define IS_POSIX(fl) (fl->fl_flags & FL_POSIX)
-#define IS_FLOCK(fl) (fl->fl_flags & FL_FLOCK)
-#define IS_LEASE(fl) (fl->fl_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT))
-#define IS_OFDLCK(fl) (fl->fl_flags & FL_OFDLCK)
-#define IS_REMOTELCK(fl) (fl->fl_pid <= 0)
+static struct file_lock *file_lock(struct file_lock_core *flc)
+{
+ return container_of(flc, struct file_lock, c);
+}
+
+static struct file_lease *file_lease(struct file_lock_core *flc)
+{
+ return container_of(flc, struct file_lease, c);
+}
-static bool lease_breaking(struct file_lock *fl)
+static bool lease_breaking(struct file_lease *fl)
{
- return fl->fl_flags & (FL_UNLOCK_PENDING | FL_DOWNGRADE_PENDING);
+ return fl->c.flc_flags & (FL_UNLOCK_PENDING | FL_DOWNGRADE_PENDING);
}
-static int target_leasetype(struct file_lock *fl)
+static int target_leasetype(struct file_lease *fl)
{
- if (fl->fl_flags & FL_UNLOCK_PENDING)
+ if (fl->c.flc_flags & FL_UNLOCK_PENDING)
return F_UNLCK;
- if (fl->fl_flags & FL_DOWNGRADE_PENDING)
+ if (fl->c.flc_flags & FL_DOWNGRADE_PENDING)
return F_RDLCK;
- return fl->fl_type;
+ return fl->c.flc_type;
}
static int leases_enable = 1;
@@ -168,6 +171,7 @@ static DEFINE_SPINLOCK(blocked_lock_lock);
static struct kmem_cache *flctx_cache __ro_after_init;
static struct kmem_cache *filelock_cache __ro_after_init;
+static struct kmem_cache *filelease_cache __ro_after_init;
static struct file_lock_context *
locks_get_lock_context(struct inode *inode, int type)
@@ -204,11 +208,12 @@ out:
static void
locks_dump_ctx_list(struct list_head *list, char *list_type)
{
- struct file_lock *fl;
+ struct file_lock_core *flc;
- list_for_each_entry(fl, list, fl_list) {
- pr_warn("%s: fl_owner=%p fl_flags=0x%x fl_type=0x%x fl_pid=%u\n", list_type, fl->fl_owner, fl->fl_flags, fl->fl_type, fl->fl_pid);
- }
+ list_for_each_entry(flc, list, flc_list)
+ pr_warn("%s: fl_owner=%p fl_flags=0x%x fl_type=0x%x fl_pid=%u\n",
+ list_type, flc->flc_owner, flc->flc_flags,
+ flc->flc_type, flc->flc_pid);
}
static void
@@ -229,19 +234,19 @@ locks_check_ctx_lists(struct inode *inode)
}
static void
-locks_check_ctx_file_list(struct file *filp, struct list_head *list,
- char *list_type)
+locks_check_ctx_file_list(struct file *filp, struct list_head *list, char *list_type)
{
- struct file_lock *fl;
+ struct file_lock_core *flc;
struct inode *inode = file_inode(filp);
- list_for_each_entry(fl, list, fl_list)
- if (fl->fl_file == filp)
+ list_for_each_entry(flc, list, flc_list)
+ if (flc->flc_file == filp)
pr_warn("Leaked %s lock on dev=0x%x:0x%x ino=0x%lx "
" fl_owner=%p fl_flags=0x%x fl_type=0x%x fl_pid=%u\n",
list_type, MAJOR(inode->i_sb->s_dev),
MINOR(inode->i_sb->s_dev), inode->i_ino,
- fl->fl_owner, fl->fl_flags, fl->fl_type, fl->fl_pid);
+ flc->flc_owner, flc->flc_flags,
+ flc->flc_type, flc->flc_pid);
}
void
@@ -255,13 +260,13 @@ locks_free_lock_context(struct inode *inode)
}
}
-static void locks_init_lock_heads(struct file_lock *fl)
+static void locks_init_lock_heads(struct file_lock_core *flc)
{
- INIT_HLIST_NODE(&fl->fl_link);
- INIT_LIST_HEAD(&fl->fl_list);
- INIT_LIST_HEAD(&fl->fl_blocked_requests);
- INIT_LIST_HEAD(&fl->fl_blocked_member);
- init_waitqueue_head(&fl->fl_wait);
+ INIT_HLIST_NODE(&flc->flc_link);
+ INIT_LIST_HEAD(&flc->flc_list);
+ INIT_LIST_HEAD(&flc->flc_blocked_requests);
+ INIT_LIST_HEAD(&flc->flc_blocked_member);
+ init_waitqueue_head(&flc->flc_wait);
}
/* Allocate an empty lock structure. */
@@ -270,19 +275,33 @@ struct file_lock *locks_alloc_lock(void)
struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
if (fl)
- locks_init_lock_heads(fl);
+ locks_init_lock_heads(&fl->c);
return fl;
}
EXPORT_SYMBOL_GPL(locks_alloc_lock);
+/* Allocate an empty lock structure. */
+struct file_lease *locks_alloc_lease(void)
+{
+ struct file_lease *fl = kmem_cache_zalloc(filelease_cache, GFP_KERNEL);
+
+ if (fl)
+ locks_init_lock_heads(&fl->c);
+
+ return fl;
+}
+EXPORT_SYMBOL_GPL(locks_alloc_lease);
+
void locks_release_private(struct file_lock *fl)
{
- BUG_ON(waitqueue_active(&fl->fl_wait));
- BUG_ON(!list_empty(&fl->fl_list));
- BUG_ON(!list_empty(&fl->fl_blocked_requests));
- BUG_ON(!list_empty(&fl->fl_blocked_member));
- BUG_ON(!hlist_unhashed(&fl->fl_link));
+ struct file_lock_core *flc = &fl->c;
+
+ BUG_ON(waitqueue_active(&flc->flc_wait));
+ BUG_ON(!list_empty(&flc->flc_list));
+ BUG_ON(!list_empty(&flc->flc_blocked_requests));
+ BUG_ON(!list_empty(&flc->flc_blocked_member));
+ BUG_ON(!hlist_unhashed(&flc->flc_link));
if (fl->fl_ops) {
if (fl->fl_ops->fl_release_private)
@@ -292,8 +311,8 @@ void locks_release_private(struct file_lock *fl)
if (fl->fl_lmops) {
if (fl->fl_lmops->lm_put_owner) {
- fl->fl_lmops->lm_put_owner(fl->fl_owner);
- fl->fl_owner = NULL;
+ fl->fl_lmops->lm_put_owner(flc->flc_owner);
+ flc->flc_owner = NULL;
}
fl->fl_lmops = NULL;
}
@@ -309,16 +328,15 @@ EXPORT_SYMBOL_GPL(locks_release_private);
* %true: @owner has at least one blocker
* %false: @owner has no blockers
*/
-bool locks_owner_has_blockers(struct file_lock_context *flctx,
- fl_owner_t owner)
+bool locks_owner_has_blockers(struct file_lock_context *flctx, fl_owner_t owner)
{
- struct file_lock *fl;
+ struct file_lock_core *flc;
spin_lock(&flctx->flc_lock);
- list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
- if (fl->fl_owner != owner)
+ list_for_each_entry(flc, &flctx->flc_posix, flc_list) {
+ if (flc->flc_owner != owner)
continue;
- if (!list_empty(&fl->fl_blocked_requests)) {
+ if (!list_empty(&flc->flc_blocked_requests)) {
spin_unlock(&flctx->flc_lock);
return true;
}
@@ -336,35 +354,52 @@ void locks_free_lock(struct file_lock *fl)
}
EXPORT_SYMBOL(locks_free_lock);
+/* Free a lease which is not in use. */
+void locks_free_lease(struct file_lease *fl)
+{
+ kmem_cache_free(filelease_cache, fl);
+}
+EXPORT_SYMBOL(locks_free_lease);
+
static void
locks_dispose_list(struct list_head *dispose)
{
- struct file_lock *fl;
+ struct file_lock_core *flc;
while (!list_empty(dispose)) {
- fl = list_first_entry(dispose, struct file_lock, fl_list);
- list_del_init(&fl->fl_list);
- locks_free_lock(fl);
+ flc = list_first_entry(dispose, struct file_lock_core, flc_list);
+ list_del_init(&flc->flc_list);
+ if (flc->flc_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT))
+ locks_free_lease(file_lease(flc));
+ else
+ locks_free_lock(file_lock(flc));
}
}
void locks_init_lock(struct file_lock *fl)
{
memset(fl, 0, sizeof(struct file_lock));
- locks_init_lock_heads(fl);
+ locks_init_lock_heads(&fl->c);
}
EXPORT_SYMBOL(locks_init_lock);
+void locks_init_lease(struct file_lease *fl)
+{
+ memset(fl, 0, sizeof(*fl));
+ locks_init_lock_heads(&fl->c);
+}
+EXPORT_SYMBOL(locks_init_lease);
+
/*
* Initialize a new lock from an existing file_lock structure.
*/
void locks_copy_conflock(struct file_lock *new, struct file_lock *fl)
{
- new->fl_owner = fl->fl_owner;
- new->fl_pid = fl->fl_pid;
- new->fl_file = NULL;
- new->fl_flags = fl->fl_flags;
- new->fl_type = fl->fl_type;
+ new->c.flc_owner = fl->c.flc_owner;
+ new->c.flc_pid = fl->c.flc_pid;
+ new->c.flc_file = NULL;
+ new->c.flc_flags = fl->c.flc_flags;
+ new->c.flc_type = fl->c.flc_type;
new->fl_start = fl->fl_start;
new->fl_end = fl->fl_end;
new->fl_lmops = fl->fl_lmops;
@@ -372,7 +407,7 @@ void locks_copy_conflock(struct file_lock *new, struct file_lock *fl)
if (fl->fl_lmops) {
if (fl->fl_lmops->lm_get_owner)
- fl->fl_lmops->lm_get_owner(fl->fl_owner);
+ fl->fl_lmops->lm_get_owner(fl->c.flc_owner);
}
}
EXPORT_SYMBOL(locks_copy_conflock);
@@ -384,7 +419,7 @@ void locks_copy_lock(struct file_lock *new, struct file_lock *fl)
locks_copy_conflock(new, fl);
- new->fl_file = fl->fl_file;
+ new->c.flc_file = fl->c.flc_file;
new->fl_ops = fl->fl_ops;
if (fl->fl_ops) {
@@ -400,15 +435,17 @@ static void locks_move_blocks(struct file_lock *new, struct file_lock *fl)
/*
* As ctx->flc_lock is held, new requests cannot be added to
- * ->fl_blocked_requests, so we don't need a lock to check if it
+ * ->flc_blocked_requests, so we don't need a lock to check if it
* is empty.
*/
- if (list_empty(&fl->fl_blocked_requests))
+ if (list_empty(&fl->c.flc_blocked_requests))
return;
spin_lock(&blocked_lock_lock);
- list_splice_init(&fl->fl_blocked_requests, &new->fl_blocked_requests);
- list_for_each_entry(f, &new->fl_blocked_requests, fl_blocked_member)
- f->fl_blocker = new;
+ list_splice_init(&fl->c.flc_blocked_requests,
+ &new->c.flc_blocked_requests);
+ list_for_each_entry(f, &new->c.flc_blocked_requests,
+ c.flc_blocked_member)
+ f->c.flc_blocker = &new->c;
spin_unlock(&blocked_lock_lock);
}
@@ -429,21 +466,21 @@ static void flock_make_lock(struct file *filp, struct file_lock *fl, int type)
{
locks_init_lock(fl);
- fl->fl_file = filp;
- fl->fl_owner = filp;
- fl->fl_pid = current->tgid;
- fl->fl_flags = FL_FLOCK;
- fl->fl_type = type;
+ fl->c.flc_file = filp;
+ fl->c.flc_owner = filp;
+ fl->c.flc_pid = current->tgid;
+ fl->c.flc_flags = FL_FLOCK;
+ fl->c.flc_type = type;
fl->fl_end = OFFSET_MAX;
}
-static int assign_type(struct file_lock *fl, int type)
+static int assign_type(struct file_lock_core *flc, int type)
{
switch (type) {
case F_RDLCK:
case F_WRLCK:
case F_UNLCK:
- fl->fl_type = type;
+ flc->flc_type = type;
break;
default:
return -EINVAL;
@@ -488,14 +525,14 @@ static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,
} else
fl->fl_end = OFFSET_MAX;
- fl->fl_owner = current->files;
- fl->fl_pid = current->tgid;
- fl->fl_file = filp;
- fl->fl_flags = FL_POSIX;
+ fl->c.flc_owner = current->files;
+ fl->c.flc_pid = current->tgid;
+ fl->c.flc_file = filp;
+ fl->c.flc_flags = FL_POSIX;
fl->fl_ops = NULL;
fl->fl_lmops = NULL;
- return assign_type(fl, l->l_type);
+ return assign_type(&fl->c, l->l_type);
}
/* Verify a "struct flock" and copy it to a "struct file_lock" as a POSIX
@@ -516,16 +553,16 @@ static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,
/* default lease lock manager operations */
static bool
-lease_break_callback(struct file_lock *fl)
+lease_break_callback(struct file_lease *fl)
{
kill_fasync(&fl->fl_fasync, SIGIO, POLL_MSG);
return false;
}
static void
-lease_setup(struct file_lock *fl, void **priv)
+lease_setup(struct file_lease *fl, void **priv)
{
- struct file *filp = fl->fl_file;
+ struct file *filp = fl->c.flc_file;
struct fasync_struct *fa = *priv;
/*
@@ -539,7 +576,7 @@ lease_setup(struct file_lock *fl, void **priv)
__f_setown(filp, task_pid(current), PIDTYPE_TGID, 0);
}
-static const struct lock_manager_operations lease_manager_ops = {
+static const struct lease_manager_operations lease_manager_ops = {
.lm_break = lease_break_callback,
.lm_change = lease_modify,
.lm_setup = lease_setup,
@@ -548,27 +585,24 @@ static const struct lock_manager_operations lease_manager_ops = {
/*
* Initialize a lease, use the default lock manager operations
*/
-static int lease_init(struct file *filp, int type, struct file_lock *fl)
+static int lease_init(struct file *filp, int type, struct file_lease *fl)
{
- if (assign_type(fl, type) != 0)
+ if (assign_type(&fl->c, type) != 0)
return -EINVAL;
- fl->fl_owner = filp;
- fl->fl_pid = current->tgid;
+ fl->c.flc_owner = filp;
+ fl->c.flc_pid = current->tgid;
- fl->fl_file = filp;
- fl->fl_flags = FL_LEASE;
- fl->fl_start = 0;
- fl->fl_end = OFFSET_MAX;
- fl->fl_ops = NULL;
+ fl->c.flc_file = filp;
+ fl->c.flc_flags = FL_LEASE;
fl->fl_lmops = &lease_manager_ops;
return 0;
}
/* Allocate a file_lock initialised to this type of lease */
-static struct file_lock *lease_alloc(struct file *filp, int type)
+static struct file_lease *lease_alloc(struct file *filp, int type)
{
- struct file_lock *fl = locks_alloc_lock();
+ struct file_lease *fl = locks_alloc_lease();
int error = -ENOMEM;
if (fl == NULL)
@@ -576,7 +610,7 @@ static struct file_lock *lease_alloc(struct file *filp, int type)
error = lease_init(filp, type, fl);
if (error) {
- locks_free_lock(fl);
+ locks_free_lease(fl);
return ERR_PTR(error);
}
return fl;
@@ -593,26 +627,26 @@ static inline int locks_overlap(struct file_lock *fl1, struct file_lock *fl2)
/*
* Check whether two locks have the same owner.
*/
-static int posix_same_owner(struct file_lock *fl1, struct file_lock *fl2)
+static int posix_same_owner(struct file_lock_core *fl1, struct file_lock_core *fl2)
{
- return fl1->fl_owner == fl2->fl_owner;
+ return fl1->flc_owner == fl2->flc_owner;
}
/* Must be called with the flc_lock held! */
-static void locks_insert_global_locks(struct file_lock *fl)
+static void locks_insert_global_locks(struct file_lock_core *flc)
{
struct file_lock_list_struct *fll = this_cpu_ptr(&file_lock_list);
percpu_rwsem_assert_held(&file_rwsem);
spin_lock(&fll->lock);
- fl->fl_link_cpu = smp_processor_id();
- hlist_add_head(&fl->fl_link, &fll->hlist);
+ flc->flc_link_cpu = smp_processor_id();
+ hlist_add_head(&flc->flc_link, &fll->hlist);
spin_unlock(&fll->lock);
}
/* Must be called with the flc_lock held! */
-static void locks_delete_global_locks(struct file_lock *fl)
+static void locks_delete_global_locks(struct file_lock_core *flc)
{
struct file_lock_list_struct *fll;
@@ -623,33 +657,33 @@ static void locks_delete_global_locks(struct file_lock *fl)
* is done while holding the flc_lock, and new insertions into the list
* also require that it be held.
*/
- if (hlist_unhashed(&fl->fl_link))
+ if (hlist_unhashed(&flc->flc_link))
return;
- fll = per_cpu_ptr(&file_lock_list, fl->fl_link_cpu);
+ fll = per_cpu_ptr(&file_lock_list, flc->flc_link_cpu);
spin_lock(&fll->lock);
- hlist_del_init(&fl->fl_link);
+ hlist_del_init(&flc->flc_link);
spin_unlock(&fll->lock);
}
static unsigned long
-posix_owner_key(struct file_lock *fl)
+posix_owner_key(struct file_lock_core *flc)
{
- return (unsigned long)fl->fl_owner;
+ return (unsigned long) flc->flc_owner;
}
-static void locks_insert_global_blocked(struct file_lock *waiter)
+static void locks_insert_global_blocked(struct file_lock_core *waiter)
{
lockdep_assert_held(&blocked_lock_lock);
- hash_add(blocked_hash, &waiter->fl_link, posix_owner_key(waiter));
+ hash_add(blocked_hash, &waiter->flc_link, posix_owner_key(waiter));
}
-static void locks_delete_global_blocked(struct file_lock *waiter)
+static void locks_delete_global_blocked(struct file_lock_core *waiter)
{
lockdep_assert_held(&blocked_lock_lock);
- hash_del(&waiter->fl_link);
+ hash_del(&waiter->flc_link);
}
/* Remove waiter from blocker's block list.
@@ -657,41 +691,39 @@ static void locks_delete_global_blocked(struct file_lock *waiter)
*
* Must be called with blocked_lock_lock held.
*/
-static void __locks_delete_block(struct file_lock *waiter)
+static void __locks_unlink_block(struct file_lock_core *waiter)
{
locks_delete_global_blocked(waiter);
- list_del_init(&waiter->fl_blocked_member);
+ list_del_init(&waiter->flc_blocked_member);
}
-static void __locks_wake_up_blocks(struct file_lock *blocker)
+static void __locks_wake_up_blocks(struct file_lock_core *blocker)
{
- while (!list_empty(&blocker->fl_blocked_requests)) {
- struct file_lock *waiter;
+ while (!list_empty(&blocker->flc_blocked_requests)) {
+ struct file_lock_core *waiter;
+ struct file_lock *fl;
- waiter = list_first_entry(&blocker->fl_blocked_requests,
- struct file_lock, fl_blocked_member);
- __locks_delete_block(waiter);
- if (waiter->fl_lmops && waiter->fl_lmops->lm_notify)
- waiter->fl_lmops->lm_notify(waiter);
+ waiter = list_first_entry(&blocker->flc_blocked_requests,
+ struct file_lock_core, flc_blocked_member);
+
+ fl = file_lock(waiter);
+ __locks_unlink_block(waiter);
+ if ((waiter->flc_flags & (FL_POSIX | FL_FLOCK)) &&
+ fl->fl_lmops && fl->fl_lmops->lm_notify)
+ fl->fl_lmops->lm_notify(fl);
else
- wake_up(&waiter->fl_wait);
+ locks_wake_up(fl);
/*
- * The setting of fl_blocker to NULL marks the "done"
+ * The setting of flc_blocker to NULL marks the "done"
* point in deleting a block. Paired with acquire at the top
* of locks_delete_block().
*/
- smp_store_release(&waiter->fl_blocker, NULL);
+ smp_store_release(&waiter->flc_blocker, NULL);
}
}
-/**
- * locks_delete_block - stop waiting for a file lock
- * @waiter: the lock which was waiting
- *
- * lockd/nfsd need to disconnect the lock while working on it.
- */
-int locks_delete_block(struct file_lock *waiter)
+static int __locks_delete_block(struct file_lock_core *waiter)
{
int status = -ENOENT;
@@ -716,24 +748,35 @@ int locks_delete_block(struct file_lock *waiter)
* no new locks can be inserted into its fl_blocked_requests list, and
* can avoid doing anything further if the list is empty.
*/
- if (!smp_load_acquire(&waiter->fl_blocker) &&
- list_empty(&waiter->fl_blocked_requests))
+ if (!smp_load_acquire(&waiter->flc_blocker) &&
+ list_empty(&waiter->flc_blocked_requests))
return status;
spin_lock(&blocked_lock_lock);
- if (waiter->fl_blocker)
+ if (waiter->flc_blocker)
status = 0;
__locks_wake_up_blocks(waiter);
- __locks_delete_block(waiter);
+ __locks_unlink_block(waiter);
/*
* The setting of fl_blocker to NULL marks the "done" point in deleting
* a block. Paired with acquire at the top of this function.
*/
- smp_store_release(&waiter->fl_blocker, NULL);
+ smp_store_release(&waiter->flc_blocker, NULL);
spin_unlock(&blocked_lock_lock);
return status;
}
+
+/**
+ * locks_delete_block - stop waiting for a file lock
+ * @waiter: the lock which was waiting
+ *
+ * lockd/nfsd need to disconnect the lock while working on it.
+ */
+int locks_delete_block(struct file_lock *waiter)
+{
+ return __locks_delete_block(&waiter->c);
+}
EXPORT_SYMBOL(locks_delete_block);
/* Insert waiter into blocker's block list.
@@ -751,26 +794,28 @@ EXPORT_SYMBOL(locks_delete_block);
* waiters, and add beneath any waiter that blocks the new waiter.
* Thus wakeups don't happen until needed.
*/
-static void __locks_insert_block(struct file_lock *blocker,
- struct file_lock *waiter,
- bool conflict(struct file_lock *,
- struct file_lock *))
+static void __locks_insert_block(struct file_lock_core *blocker,
+ struct file_lock_core *waiter,
+ bool conflict(struct file_lock_core *,
+ struct file_lock_core *))
{
- struct file_lock *fl;
- BUG_ON(!list_empty(&waiter->fl_blocked_member));
+ struct file_lock_core *flc;
+ BUG_ON(!list_empty(&waiter->flc_blocked_member));
new_blocker:
- list_for_each_entry(fl, &blocker->fl_blocked_requests, fl_blocked_member)
- if (conflict(fl, waiter)) {
- blocker = fl;
+ list_for_each_entry(flc, &blocker->flc_blocked_requests, flc_blocked_member)
+ if (conflict(flc, waiter)) {
+ blocker = flc;
goto new_blocker;
}
- waiter->fl_blocker = blocker;
- list_add_tail(&waiter->fl_blocked_member, &blocker->fl_blocked_requests);
- if (IS_POSIX(blocker) && !IS_OFDLCK(blocker))
+ waiter->flc_blocker = blocker;
+ list_add_tail(&waiter->flc_blocked_member,
+ &blocker->flc_blocked_requests);
+
+ if ((blocker->flc_flags & (FL_POSIX|FL_OFDLCK)) == FL_POSIX)
locks_insert_global_blocked(waiter);
- /* The requests in waiter->fl_blocked are known to conflict with
+ /* The requests in waiter->flc_blocked are known to conflict with
* waiter, but might not conflict with blocker, or the requests
* and lock which block it. So they all need to be woken.
*/
@@ -778,10 +823,10 @@ new_blocker:
}
/* Must be called with flc_lock held. */
-static void locks_insert_block(struct file_lock *blocker,
- struct file_lock *waiter,
- bool conflict(struct file_lock *,
- struct file_lock *))
+static void locks_insert_block(struct file_lock_core *blocker,
+ struct file_lock_core *waiter,
+ bool conflict(struct file_lock_core *,
+ struct file_lock_core *))
{
spin_lock(&blocked_lock_lock);
__locks_insert_block(blocker, waiter, conflict);
@@ -793,7 +838,7 @@ static void locks_insert_block(struct file_lock *blocker,
*
* Must be called with the inode->flc_lock held!
*/
-static void locks_wake_up_blocks(struct file_lock *blocker)
+static void locks_wake_up_blocks(struct file_lock_core *blocker)
{
/*
* Avoid taking global lock if list is empty. This is safe since new
@@ -802,7 +847,7 @@ static void locks_wake_up_blocks(struct file_lock *blocker)
* fl_blocked_requests list does not require the flc_lock, so we must
* recheck list_empty() after acquiring the blocked_lock_lock.
*/
- if (list_empty(&blocker->fl_blocked_requests))
+ if (list_empty(&blocker->flc_blocked_requests))
return;
spin_lock(&blocked_lock_lock);
@@ -811,39 +856,39 @@ static void locks_wake_up_blocks(struct file_lock *blocker)
}
static void
-locks_insert_lock_ctx(struct file_lock *fl, struct list_head *before)
+locks_insert_lock_ctx(struct file_lock_core *fl, struct list_head *before)
{
- list_add_tail(&fl->fl_list, before);
+ list_add_tail(&fl->flc_list, before);
locks_insert_global_locks(fl);
}
static void
-locks_unlink_lock_ctx(struct file_lock *fl)
+locks_unlink_lock_ctx(struct file_lock_core *fl)
{
locks_delete_global_locks(fl);
- list_del_init(&fl->fl_list);
+ list_del_init(&fl->flc_list);
locks_wake_up_blocks(fl);
}
static void
-locks_delete_lock_ctx(struct file_lock *fl, struct list_head *dispose)
+locks_delete_lock_ctx(struct file_lock_core *fl, struct list_head *dispose)
{
locks_unlink_lock_ctx(fl);
if (dispose)
- list_add(&fl->fl_list, dispose);
+ list_add(&fl->flc_list, dispose);
else
- locks_free_lock(fl);
+ locks_free_lock(file_lock(fl));
}
/* Determine if lock sys_fl blocks lock caller_fl. Common functionality
* checks for shared/exclusive status of overlapping locks.
*/
-static bool locks_conflict(struct file_lock *caller_fl,
- struct file_lock *sys_fl)
+static bool locks_conflict(struct file_lock_core *caller_flc,
+ struct file_lock_core *sys_flc)
{
- if (sys_fl->fl_type == F_WRLCK)
+ if (sys_flc->flc_type == F_WRLCK)
return true;
- if (caller_fl->fl_type == F_WRLCK)
+ if (caller_flc->flc_type == F_WRLCK)
return true;
return false;
}
@@ -851,20 +896,23 @@ static bool locks_conflict(struct file_lock *caller_fl,
/* Determine if lock sys_fl blocks lock caller_fl. POSIX specific
* checking before calling the locks_conflict().
*/
-static bool posix_locks_conflict(struct file_lock *caller_fl,
- struct file_lock *sys_fl)
+static bool posix_locks_conflict(struct file_lock_core *caller_flc,
+ struct file_lock_core *sys_flc)
{
+ struct file_lock *caller_fl = file_lock(caller_flc);
+ struct file_lock *sys_fl = file_lock(sys_flc);
+
/* POSIX locks owned by the same process do not conflict with
* each other.
*/
- if (posix_same_owner(caller_fl, sys_fl))
+ if (posix_same_owner(caller_flc, sys_flc))
return false;
/* Check whether they overlap */
if (!locks_overlap(caller_fl, sys_fl))
return false;
- return locks_conflict(caller_fl, sys_fl);
+ return locks_conflict(caller_flc, sys_flc);
}
/* Determine if lock sys_fl blocks lock caller_fl. Used on xx_GETLK
@@ -873,28 +921,31 @@ static bool posix_locks_conflict(struct file_lock *caller_fl,
static bool posix_test_locks_conflict(struct file_lock *caller_fl,
struct file_lock *sys_fl)
{
+ struct file_lock_core *caller = &caller_fl->c;
+ struct file_lock_core *sys = &sys_fl->c;
+
/* F_UNLCK checks any locks on the same fd. */
- if (caller_fl->fl_type == F_UNLCK) {
- if (!posix_same_owner(caller_fl, sys_fl))
+ if (lock_is_unlock(caller_fl)) {
+ if (!posix_same_owner(caller, sys))
return false;
return locks_overlap(caller_fl, sys_fl);
}
- return posix_locks_conflict(caller_fl, sys_fl);
+ return posix_locks_conflict(caller, sys);
}
/* Determine if lock sys_fl blocks lock caller_fl. FLOCK specific
* checking before calling the locks_conflict().
*/
-static bool flock_locks_conflict(struct file_lock *caller_fl,
- struct file_lock *sys_fl)
+static bool flock_locks_conflict(struct file_lock_core *caller_flc,
+ struct file_lock_core *sys_flc)
{
/* FLOCK locks referring to the same filp do not conflict with
* each other.
*/
- if (caller_fl->fl_file == sys_fl->fl_file)
+ if (caller_flc->flc_file == sys_flc->flc_file)
return false;
- return locks_conflict(caller_fl, sys_fl);
+ return locks_conflict(caller_flc, sys_flc);
}
void
@@ -908,13 +959,13 @@ posix_test_lock(struct file *filp, struct file_lock *fl)
ctx = locks_inode_context(inode);
if (!ctx || list_empty_careful(&ctx->flc_posix)) {
- fl->fl_type = F_UNLCK;
+ fl->c.flc_type = F_UNLCK;
return;
}
retry:
spin_lock(&ctx->flc_lock);
- list_for_each_entry(cfl, &ctx->flc_posix, fl_list) {
+ list_for_each_entry(cfl, &ctx->flc_posix, c.flc_list) {
if (!posix_test_locks_conflict(fl, cfl))
continue;
if (cfl->fl_lmops && cfl->fl_lmops->lm_lock_expirable
@@ -930,7 +981,7 @@ retry:
locks_copy_conflock(fl, cfl);
goto out;
}
- fl->fl_type = F_UNLCK;
+ fl->c.flc_type = F_UNLCK;
out:
spin_unlock(&ctx->flc_lock);
return;
@@ -972,25 +1023,27 @@ EXPORT_SYMBOL(posix_test_lock);
#define MAX_DEADLK_ITERATIONS 10
-/* Find a lock that the owner of the given block_fl is blocking on. */
-static struct file_lock *what_owner_is_waiting_for(struct file_lock *block_fl)
+/* Find a lock that the owner of the given @blocker is blocking on. */
+static struct file_lock_core *what_owner_is_waiting_for(struct file_lock_core *blocker)
{
- struct file_lock *fl;
+ struct file_lock_core *flc;
- hash_for_each_possible(blocked_hash, fl, fl_link, posix_owner_key(block_fl)) {
- if (posix_same_owner(fl, block_fl)) {
- while (fl->fl_blocker)
- fl = fl->fl_blocker;
- return fl;
+ hash_for_each_possible(blocked_hash, flc, flc_link, posix_owner_key(blocker)) {
+ if (posix_same_owner(flc, blocker)) {
+ while (flc->flc_blocker)
+ flc = flc->flc_blocker;
+ return flc;
}
}
return NULL;
}
/* Must be called with the blocked_lock_lock held! */
-static int posix_locks_deadlock(struct file_lock *caller_fl,
- struct file_lock *block_fl)
+static bool posix_locks_deadlock(struct file_lock *caller_fl,
+ struct file_lock *block_fl)
{
+ struct file_lock_core *caller = &caller_fl->c;
+ struct file_lock_core *blocker = &block_fl->c;
int i = 0;
lockdep_assert_held(&blocked_lock_lock);
@@ -999,16 +1052,16 @@ static int posix_locks_deadlock(struct file_lock *caller_fl,
* This deadlock detector can't reasonably detect deadlocks with
* FL_OFDLCK locks, since they aren't owned by a process, per-se.
*/
- if (IS_OFDLCK(caller_fl))
- return 0;
+ if (caller->flc_flags & FL_OFDLCK)
+ return false;
- while ((block_fl = what_owner_is_waiting_for(block_fl))) {
+ while ((blocker = what_owner_is_waiting_for(blocker))) {
if (i++ > MAX_DEADLK_ITERATIONS)
- return 0;
- if (posix_same_owner(caller_fl, block_fl))
- return 1;
+ return false;
+ if (posix_same_owner(caller, blocker))
+ return true;
}
- return 0;
+ return false;
}
/* Try to create a FLOCK lock on filp. We always insert new FLOCK locks
@@ -1027,14 +1080,14 @@ static int flock_lock_inode(struct inode *inode, struct file_lock *request)
bool found = false;
LIST_HEAD(dispose);
- ctx = locks_get_lock_context(inode, request->fl_type);
+ ctx = locks_get_lock_context(inode, request->c.flc_type);
if (!ctx) {
- if (request->fl_type != F_UNLCK)
+ if (request->c.flc_type != F_UNLCK)
return -ENOMEM;
- return (request->fl_flags & FL_EXISTS) ? -ENOENT : 0;
+ return (request->c.flc_flags & FL_EXISTS) ? -ENOENT : 0;
}
- if (!(request->fl_flags & FL_ACCESS) && (request->fl_type != F_UNLCK)) {
+ if (!(request->c.flc_flags & FL_ACCESS) && (request->c.flc_type != F_UNLCK)) {
new_fl = locks_alloc_lock();
if (!new_fl)
return -ENOMEM;
@@ -1042,41 +1095,41 @@ static int flock_lock_inode(struct inode *inode, struct file_lock *request)
percpu_down_read(&file_rwsem);
spin_lock(&ctx->flc_lock);
- if (request->fl_flags & FL_ACCESS)
+ if (request->c.flc_flags & FL_ACCESS)
goto find_conflict;
- list_for_each_entry(fl, &ctx->flc_flock, fl_list) {
- if (request->fl_file != fl->fl_file)
+ list_for_each_entry(fl, &ctx->flc_flock, c.flc_list) {
+ if (request->c.flc_file != fl->c.flc_file)
continue;
- if (request->fl_type == fl->fl_type)
+ if (request->c.flc_type == fl->c.flc_type)
goto out;
found = true;
- locks_delete_lock_ctx(fl, &dispose);
+ locks_delete_lock_ctx(&fl->c, &dispose);
break;
}
- if (request->fl_type == F_UNLCK) {
- if ((request->fl_flags & FL_EXISTS) && !found)
+ if (lock_is_unlock(request)) {
+ if ((request->c.flc_flags & FL_EXISTS) && !found)
error = -ENOENT;
goto out;
}
find_conflict:
- list_for_each_entry(fl, &ctx->flc_flock, fl_list) {
- if (!flock_locks_conflict(request, fl))
+ list_for_each_entry(fl, &ctx->flc_flock, c.flc_list) {
+ if (!flock_locks_conflict(&request->c, &fl->c))
continue;
error = -EAGAIN;
- if (!(request->fl_flags & FL_SLEEP))
+ if (!(request->c.flc_flags & FL_SLEEP))
goto out;
error = FILE_LOCK_DEFERRED;
- locks_insert_block(fl, request, flock_locks_conflict);
+ locks_insert_block(&fl->c, &request->c, flock_locks_conflict);
goto out;
}
- if (request->fl_flags & FL_ACCESS)
+ if (request->c.flc_flags & FL_ACCESS)
goto out;
locks_copy_lock(new_fl, request);
locks_move_blocks(new_fl, request);
- locks_insert_lock_ctx(new_fl, &ctx->flc_flock);
+ locks_insert_lock_ctx(&new_fl->c, &ctx->flc_flock);
new_fl = NULL;
error = 0;
@@ -1105,9 +1158,9 @@ static int posix_lock_inode(struct inode *inode, struct file_lock *request,
void *owner;
void (*func)(void);
- ctx = locks_get_lock_context(inode, request->fl_type);
+ ctx = locks_get_lock_context(inode, request->c.flc_type);
if (!ctx)
- return (request->fl_type == F_UNLCK) ? 0 : -ENOMEM;
+ return lock_is_unlock(request) ? 0 : -ENOMEM;
/*
* We may need two file_lock structures for this operation,
@@ -1115,8 +1168,8 @@ static int posix_lock_inode(struct inode *inode, struct file_lock *request,
*
* In some cases we can be sure, that no new locks will be needed
*/
- if (!(request->fl_flags & FL_ACCESS) &&
- (request->fl_type != F_UNLCK ||
+ if (!(request->c.flc_flags & FL_ACCESS) &&
+ (request->c.flc_type != F_UNLCK ||
request->fl_start != 0 || request->fl_end != OFFSET_MAX)) {
new_fl = locks_alloc_lock();
new_fl2 = locks_alloc_lock();
@@ -1130,9 +1183,9 @@ retry:
* there are any, either return error or put the request on the
* blocker's list of waiters and the global blocked_hash.
*/
- if (request->fl_type != F_UNLCK) {
- list_for_each_entry(fl, &ctx->flc_posix, fl_list) {
- if (!posix_locks_conflict(request, fl))
+ if (request->c.flc_type != F_UNLCK) {
+ list_for_each_entry(fl, &ctx->flc_posix, c.flc_list) {
+ if (!posix_locks_conflict(&request->c, &fl->c))
continue;
if (fl->fl_lmops && fl->fl_lmops->lm_lock_expirable
&& (*fl->fl_lmops->lm_lock_expirable)(fl)) {
@@ -1148,7 +1201,7 @@ retry:
if (conflock)
locks_copy_conflock(conflock, fl);
error = -EAGAIN;
- if (!(request->fl_flags & FL_SLEEP))
+ if (!(request->c.flc_flags & FL_SLEEP))
goto out;
/*
* Deadlock detection and insertion into the blocked
@@ -1160,10 +1213,10 @@ retry:
* Ensure that we don't find any locks blocked on this
* request during deadlock detection.
*/
- __locks_wake_up_blocks(request);
+ __locks_wake_up_blocks(&request->c);
if (likely(!posix_locks_deadlock(request, fl))) {
error = FILE_LOCK_DEFERRED;
- __locks_insert_block(fl, request,
+ __locks_insert_block(&fl->c, &request->c,
posix_locks_conflict);
}
spin_unlock(&blocked_lock_lock);
@@ -1173,22 +1226,22 @@ retry:
/* If we're just looking for a conflict, we're done. */
error = 0;
- if (request->fl_flags & FL_ACCESS)
+ if (request->c.flc_flags & FL_ACCESS)
goto out;
/* Find the first old lock with the same owner as the new lock */
- list_for_each_entry(fl, &ctx->flc_posix, fl_list) {
- if (posix_same_owner(request, fl))
+ list_for_each_entry(fl, &ctx->flc_posix, c.flc_list) {
+ if (posix_same_owner(&request->c, &fl->c))
break;
}
/* Process locks with this owner. */
- list_for_each_entry_safe_from(fl, tmp, &ctx->flc_posix, fl_list) {
- if (!posix_same_owner(request, fl))
+ list_for_each_entry_safe_from(fl, tmp, &ctx->flc_posix, c.flc_list) {
+ if (!posix_same_owner(&request->c, &fl->c))
break;
/* Detect adjacent or overlapping regions (if same lock type) */
- if (request->fl_type == fl->fl_type) {
+ if (request->c.flc_type == fl->c.flc_type) {
/* In all comparisons of start vs end, use
* "start - 1" rather than "end + 1". If end
* is OFFSET_MAX, end + 1 will become negative.
@@ -1215,7 +1268,7 @@ retry:
else
request->fl_end = fl->fl_end;
if (added) {
- locks_delete_lock_ctx(fl, &dispose);
+ locks_delete_lock_ctx(&fl->c, &dispose);
continue;
}
request = fl;
@@ -1228,7 +1281,7 @@ retry:
continue;
if (fl->fl_start > request->fl_end)
break;
- if (request->fl_type == F_UNLCK)
+ if (lock_is_unlock(request))
added = true;
if (fl->fl_start < request->fl_start)
left = fl;
@@ -1244,7 +1297,7 @@ retry:
* one (This may happen several times).
*/
if (added) {
- locks_delete_lock_ctx(fl, &dispose);
+ locks_delete_lock_ctx(&fl->c, &dispose);
continue;
}
/*
@@ -1261,8 +1314,9 @@ retry:
locks_move_blocks(new_fl, request);
request = new_fl;
new_fl = NULL;
- locks_insert_lock_ctx(request, &fl->fl_list);
- locks_delete_lock_ctx(fl, &dispose);
+ locks_insert_lock_ctx(&request->c,
+ &fl->c.flc_list);
+ locks_delete_lock_ctx(&fl->c, &dispose);
added = true;
}
}
@@ -1279,8 +1333,8 @@ retry:
error = 0;
if (!added) {
- if (request->fl_type == F_UNLCK) {
- if (request->fl_flags & FL_EXISTS)
+ if (lock_is_unlock(request)) {
+ if (request->c.flc_flags & FL_EXISTS)
error = -ENOENT;
goto out;
}
@@ -1291,7 +1345,7 @@ retry:
}
locks_copy_lock(new_fl, request);
locks_move_blocks(new_fl, request);
- locks_insert_lock_ctx(new_fl, &fl->fl_list);
+ locks_insert_lock_ctx(&new_fl->c, &fl->c.flc_list);
fl = new_fl;
new_fl = NULL;
}
@@ -1303,14 +1357,14 @@ retry:
left = new_fl2;
new_fl2 = NULL;
locks_copy_lock(left, right);
- locks_insert_lock_ctx(left, &fl->fl_list);
+ locks_insert_lock_ctx(&left->c, &fl->c.flc_list);
}
right->fl_start = request->fl_end + 1;
- locks_wake_up_blocks(right);
+ locks_wake_up_blocks(&right->c);
}
if (left) {
left->fl_end = request->fl_start - 1;
- locks_wake_up_blocks(left);
+ locks_wake_up_blocks(&left->c);
}
out:
spin_unlock(&ctx->flc_lock);
@@ -1364,8 +1418,8 @@ static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)
error = posix_lock_inode(inode, fl, NULL);
if (error != FILE_LOCK_DEFERRED)
break;
- error = wait_event_interruptible(fl->fl_wait,
- list_empty(&fl->fl_blocked_member));
+ error = wait_event_interruptible(fl->c.flc_wait,
+ list_empty(&fl->c.flc_blocked_member));
if (error)
break;
}
@@ -1373,37 +1427,37 @@ static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)
return error;
}
-static void lease_clear_pending(struct file_lock *fl, int arg)
+static void lease_clear_pending(struct file_lease *fl, int arg)
{
switch (arg) {
case F_UNLCK:
- fl->fl_flags &= ~FL_UNLOCK_PENDING;
+ fl->c.flc_flags &= ~FL_UNLOCK_PENDING;
fallthrough;
case F_RDLCK:
- fl->fl_flags &= ~FL_DOWNGRADE_PENDING;
+ fl->c.flc_flags &= ~FL_DOWNGRADE_PENDING;
}
}
/* We already had a lease on this file; just change its type */
-int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose)
+int lease_modify(struct file_lease *fl, int arg, struct list_head *dispose)
{
- int error = assign_type(fl, arg);
+ int error = assign_type(&fl->c, arg);
if (error)
return error;
lease_clear_pending(fl, arg);
- locks_wake_up_blocks(fl);
+ locks_wake_up_blocks(&fl->c);
if (arg == F_UNLCK) {
- struct file *filp = fl->fl_file;
+ struct file *filp = fl->c.flc_file;
f_delown(filp);
filp->f_owner.signum = 0;
- fasync_helper(0, fl->fl_file, 0, &fl->fl_fasync);
+ fasync_helper(0, fl->c.flc_file, 0, &fl->fl_fasync);
if (fl->fl_fasync != NULL) {
printk(KERN_ERR "locks_delete_lock: fasync == %p\n", fl->fl_fasync);
fl->fl_fasync = NULL;
}
- locks_delete_lock_ctx(fl, dispose);
+ locks_delete_lock_ctx(&fl->c, dispose);
}
return 0;
}
@@ -1420,11 +1474,11 @@ static bool past_time(unsigned long then)
static void time_out_leases(struct inode *inode, struct list_head *dispose)
{
struct file_lock_context *ctx = inode->i_flctx;
- struct file_lock *fl, *tmp;
+ struct file_lease *fl, *tmp;
lockdep_assert_held(&ctx->flc_lock);
- list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list) {
+ list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, c.flc_list) {
trace_time_out_leases(inode, fl);
if (past_time(fl->fl_downgrade_time))
lease_modify(fl, F_RDLCK, dispose);
@@ -1433,38 +1487,40 @@ static void time_out_leases(struct inode *inode, struct list_head *dispose)
}
}
-static bool leases_conflict(struct file_lock *lease, struct file_lock *breaker)
+static bool leases_conflict(struct file_lock_core *lc, struct file_lock_core *bc)
{
bool rc;
+ struct file_lease *lease = file_lease(lc);
+ struct file_lease *breaker = file_lease(bc);
if (lease->fl_lmops->lm_breaker_owns_lease
&& lease->fl_lmops->lm_breaker_owns_lease(lease))
return false;
- if ((breaker->fl_flags & FL_LAYOUT) != (lease->fl_flags & FL_LAYOUT)) {
+ if ((bc->flc_flags & FL_LAYOUT) != (lc->flc_flags & FL_LAYOUT)) {
rc = false;
goto trace;
}
- if ((breaker->fl_flags & FL_DELEG) && (lease->fl_flags & FL_LEASE)) {
+ if ((bc->flc_flags & FL_DELEG) && (lc->flc_flags & FL_LEASE)) {
rc = false;
goto trace;
}
- rc = locks_conflict(breaker, lease);
+ rc = locks_conflict(bc, lc);
trace:
trace_leases_conflict(rc, lease, breaker);
return rc;
}
static bool
-any_leases_conflict(struct inode *inode, struct file_lock *breaker)
+any_leases_conflict(struct inode *inode, struct file_lease *breaker)
{
struct file_lock_context *ctx = inode->i_flctx;
- struct file_lock *fl;
+ struct file_lock_core *flc;
lockdep_assert_held(&ctx->flc_lock);
- list_for_each_entry(fl, &ctx->flc_lease, fl_list) {
- if (leases_conflict(fl, breaker))
+ list_for_each_entry(flc, &ctx->flc_lease, flc_list) {
+ if (leases_conflict(flc, &breaker->c))
return true;
}
return false;
@@ -1487,7 +1543,7 @@ int __break_lease(struct inode *inode, unsigned int mode, unsigned int type)
{
int error = 0;
struct file_lock_context *ctx;
- struct file_lock *new_fl, *fl, *tmp;
+ struct file_lease *new_fl, *fl, *tmp;
unsigned long break_time;
int want_write = (mode & O_ACCMODE) != O_RDONLY;
LIST_HEAD(dispose);
@@ -1495,7 +1551,7 @@ int __break_lease(struct inode *inode, unsigned int mode, unsigned int type)
new_fl = lease_alloc(NULL, want_write ? F_WRLCK : F_RDLCK);
if (IS_ERR(new_fl))
return PTR_ERR(new_fl);
- new_fl->fl_flags = type;
+ new_fl->c.flc_flags = type;
/* typically we will check that ctx is non-NULL before calling */
ctx = locks_inode_context(inode);
@@ -1519,22 +1575,22 @@ int __break_lease(struct inode *inode, unsigned int mode, unsigned int type)
break_time++; /* so that 0 means no break time */
}
- list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list) {
- if (!leases_conflict(fl, new_fl))
+ list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, c.flc_list) {
+ if (!leases_conflict(&fl->c, &new_fl->c))
continue;
if (want_write) {
- if (fl->fl_flags & FL_UNLOCK_PENDING)
+ if (fl->c.flc_flags & FL_UNLOCK_PENDING)
continue;
- fl->fl_flags |= FL_UNLOCK_PENDING;
+ fl->c.flc_flags |= FL_UNLOCK_PENDING;
fl->fl_break_time = break_time;
} else {
if (lease_breaking(fl))
continue;
- fl->fl_flags |= FL_DOWNGRADE_PENDING;
+ fl->c.flc_flags |= FL_DOWNGRADE_PENDING;
fl->fl_downgrade_time = break_time;
}
if (fl->fl_lmops->lm_break(fl))
- locks_delete_lock_ctx(fl, &dispose);
+ locks_delete_lock_ctx(&fl->c, &dispose);
}
if (list_empty(&ctx->flc_lease))
@@ -1547,26 +1603,26 @@ int __break_lease(struct inode *inode, unsigned int mode, unsigned int type)
}
restart:
- fl = list_first_entry(&ctx->flc_lease, struct file_lock, fl_list);
+ fl = list_first_entry(&ctx->flc_lease, struct file_lease, c.flc_list);
break_time = fl->fl_break_time;
if (break_time != 0)
break_time -= jiffies;
if (break_time == 0)
break_time++;
- locks_insert_block(fl, new_fl, leases_conflict);
+ locks_insert_block(&fl->c, &new_fl->c, leases_conflict);
trace_break_lease_block(inode, new_fl);
spin_unlock(&ctx->flc_lock);
percpu_up_read(&file_rwsem);
locks_dispose_list(&dispose);
- error = wait_event_interruptible_timeout(new_fl->fl_wait,
- list_empty(&new_fl->fl_blocked_member),
- break_time);
+ error = wait_event_interruptible_timeout(new_fl->c.flc_wait,
+ list_empty(&new_fl->c.flc_blocked_member),
+ break_time);
percpu_down_read(&file_rwsem);
spin_lock(&ctx->flc_lock);
trace_break_lease_unblock(inode, new_fl);
- locks_delete_block(new_fl);
+ __locks_delete_block(&new_fl->c);
if (error >= 0) {
/*
* Wait for the next conflicting lease that has not been
@@ -1583,7 +1639,7 @@ out:
percpu_up_read(&file_rwsem);
locks_dispose_list(&dispose);
free_lock:
- locks_free_lock(new_fl);
+ locks_free_lease(new_fl);
return error;
}
EXPORT_SYMBOL(__break_lease);
@@ -1601,14 +1657,14 @@ void lease_get_mtime(struct inode *inode, struct timespec64 *time)
{
bool has_lease = false;
struct file_lock_context *ctx;
- struct file_lock *fl;
+ struct file_lock_core *flc;
ctx = locks_inode_context(inode);
if (ctx && !list_empty_careful(&ctx->flc_lease)) {
spin_lock(&ctx->flc_lock);
- fl = list_first_entry_or_null(&ctx->flc_lease,
- struct file_lock, fl_list);
- if (fl && (fl->fl_type == F_WRLCK))
+ flc = list_first_entry_or_null(&ctx->flc_lease,
+ struct file_lock_core, flc_list);
+ if (flc && flc->flc_type == F_WRLCK)
has_lease = true;
spin_unlock(&ctx->flc_lock);
}
@@ -1643,7 +1699,7 @@ EXPORT_SYMBOL(lease_get_mtime);
*/
int fcntl_getlease(struct file *filp)
{
- struct file_lock *fl;
+ struct file_lease *fl;
struct inode *inode = file_inode(filp);
struct file_lock_context *ctx;
int type = F_UNLCK;
@@ -1654,8 +1710,8 @@ int fcntl_getlease(struct file *filp)
percpu_down_read(&file_rwsem);
spin_lock(&ctx->flc_lock);
time_out_leases(inode, &dispose);
- list_for_each_entry(fl, &ctx->flc_lease, fl_list) {
- if (fl->fl_file != filp)
+ list_for_each_entry(fl, &ctx->flc_lease, c.flc_list) {
+ if (fl->c.flc_file != filp)
continue;
type = target_leasetype(fl);
break;
@@ -1715,12 +1771,12 @@ check_conflicting_open(struct file *filp, const int arg, int flags)
}
static int
-generic_add_lease(struct file *filp, int arg, struct file_lock **flp, void **priv)
+generic_add_lease(struct file *filp, int arg, struct file_lease **flp, void **priv)
{
- struct file_lock *fl, *my_fl = NULL, *lease;
+ struct file_lease *fl, *my_fl = NULL, *lease;
struct inode *inode = file_inode(filp);
struct file_lock_context *ctx;
- bool is_deleg = (*flp)->fl_flags & FL_DELEG;
+ bool is_deleg = (*flp)->c.flc_flags & FL_DELEG;
int error;
LIST_HEAD(dispose);
@@ -1746,7 +1802,7 @@ generic_add_lease(struct file *filp, int arg, struct file_lock **flp, void **pri
percpu_down_read(&file_rwsem);
spin_lock(&ctx->flc_lock);
time_out_leases(inode, &dispose);
- error = check_conflicting_open(filp, arg, lease->fl_flags);
+ error = check_conflicting_open(filp, arg, lease->c.flc_flags);
if (error)
goto out;
@@ -1759,9 +1815,9 @@ generic_add_lease(struct file *filp, int arg, struct file_lock **flp, void **pri
* except for this filp.
*/
error = -EAGAIN;
- list_for_each_entry(fl, &ctx->flc_lease, fl_list) {
- if (fl->fl_file == filp &&
- fl->fl_owner == lease->fl_owner) {
+ list_for_each_entry(fl, &ctx->flc_lease, c.flc_list) {
+ if (fl->c.flc_file == filp &&
+ fl->c.flc_owner == lease->c.flc_owner) {
my_fl = fl;
continue;
}
@@ -1776,7 +1832,7 @@ generic_add_lease(struct file *filp, int arg, struct file_lock **flp, void **pri
* Modifying our existing lease is OK, but no getting a
* new lease if someone else is opening for write:
*/
- if (fl->fl_flags & FL_UNLOCK_PENDING)
+ if (fl->c.flc_flags & FL_UNLOCK_PENDING)
goto out;
}
@@ -1792,7 +1848,7 @@ generic_add_lease(struct file *filp, int arg, struct file_lock **flp, void **pri
if (!leases_enable)
goto out;
- locks_insert_lock_ctx(lease, &ctx->flc_lease);
+ locks_insert_lock_ctx(&lease->c, &ctx->flc_lease);
/*
* The check in break_lease() is lockless. It's possible for another
* open to race in after we did the earlier check for a conflicting
@@ -1803,9 +1859,9 @@ generic_add_lease(struct file *filp, int arg, struct file_lock **flp, void **pri
* precedes these checks.
*/
smp_mb();
- error = check_conflicting_open(filp, arg, lease->fl_flags);
+ error = check_conflicting_open(filp, arg, lease->c.flc_flags);
if (error) {
- locks_unlink_lock_ctx(lease);
+ locks_unlink_lock_ctx(&lease->c);
goto out;
}
@@ -1826,7 +1882,7 @@ out:
static int generic_delete_lease(struct file *filp, void *owner)
{
int error = -EAGAIN;
- struct file_lock *fl, *victim = NULL;
+ struct file_lease *fl, *victim = NULL;
struct inode *inode = file_inode(filp);
struct file_lock_context *ctx;
LIST_HEAD(dispose);
@@ -1839,9 +1895,9 @@ static int generic_delete_lease(struct file *filp, void *owner)
percpu_down_read(&file_rwsem);
spin_lock(&ctx->flc_lock);
- list_for_each_entry(fl, &ctx->flc_lease, fl_list) {
- if (fl->fl_file == filp &&
- fl->fl_owner == owner) {
+ list_for_each_entry(fl, &ctx->flc_lease, c.flc_list) {
+ if (fl->c.flc_file == filp &&
+ fl->c.flc_owner == owner) {
victim = fl;
break;
}
@@ -1866,21 +1922,9 @@ static int generic_delete_lease(struct file *filp, void *owner)
* The (input) flp->fl_lmops->lm_break function is required
* by break_lease().
*/
-int generic_setlease(struct file *filp, int arg, struct file_lock **flp,
+int generic_setlease(struct file *filp, int arg, struct file_lease **flp,
void **priv)
{
- struct inode *inode = file_inode(filp);
- vfsuid_t vfsuid = i_uid_into_vfsuid(file_mnt_idmap(filp), inode);
- int error;
-
- if ((!vfsuid_eq_kuid(vfsuid, current_fsuid())) && !capable(CAP_LEASE))
- return -EACCES;
- if (!S_ISREG(inode->i_mode))
- return -EINVAL;
- error = security_file_lock(filp, arg);
- if (error)
- return error;
-
switch (arg) {
case F_UNLCK:
return generic_delete_lease(filp, *priv);
@@ -1913,7 +1957,7 @@ lease_notifier_chain_init(void)
}
static inline void
-setlease_notifier(int arg, struct file_lock *lease)
+setlease_notifier(int arg, struct file_lease *lease)
{
if (arg != F_UNLCK)
srcu_notifier_call_chain(&lease_notifier_chain, arg, lease);
@@ -1931,6 +1975,19 @@ void lease_unregister_notifier(struct notifier_block *nb)
}
EXPORT_SYMBOL_GPL(lease_unregister_notifier);
+
+int
+kernel_setlease(struct file *filp, int arg, struct file_lease **lease, void **priv)
+{
+ if (lease)
+ setlease_notifier(arg, *lease);
+ if (filp->f_op->setlease)
+ return filp->f_op->setlease(filp, arg, lease, priv);
+ else
+ return generic_setlease(filp, arg, lease, priv);
+}
+EXPORT_SYMBOL_GPL(kernel_setlease);
+
/**
* vfs_setlease - sets a lease on an open file
* @filp: file pointer
@@ -1949,20 +2006,26 @@ EXPORT_SYMBOL_GPL(lease_unregister_notifier);
* may be NULL if the lm_setup operation doesn't require it.
*/
int
-vfs_setlease(struct file *filp, int arg, struct file_lock **lease, void **priv)
+vfs_setlease(struct file *filp, int arg, struct file_lease **lease, void **priv)
{
- if (lease)
- setlease_notifier(arg, *lease);
- if (filp->f_op->setlease)
- return filp->f_op->setlease(filp, arg, lease, priv);
- else
- return generic_setlease(filp, arg, lease, priv);
+ struct inode *inode = file_inode(filp);
+ vfsuid_t vfsuid = i_uid_into_vfsuid(file_mnt_idmap(filp), inode);
+ int error;
+
+ if ((!vfsuid_eq_kuid(vfsuid, current_fsuid())) && !capable(CAP_LEASE))
+ return -EACCES;
+ if (!S_ISREG(inode->i_mode))
+ return -EINVAL;
+ error = security_file_lock(filp, arg);
+ if (error)
+ return error;
+ return kernel_setlease(filp, arg, lease, priv);
}
EXPORT_SYMBOL_GPL(vfs_setlease);
static int do_fcntl_add_lease(unsigned int fd, struct file *filp, int arg)
{
- struct file_lock *fl;
+ struct file_lease *fl;
struct fasync_struct *new;
int error;
@@ -1972,14 +2035,14 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, int arg)
new = fasync_alloc();
if (!new) {
- locks_free_lock(fl);
+ locks_free_lease(fl);
return -ENOMEM;
}
new->fa_fd = fd;
error = vfs_setlease(filp, arg, &fl, (void **)&new);
if (fl)
- locks_free_lock(fl);
+ locks_free_lease(fl);
if (new)
fasync_free(new);
return error;
@@ -2017,8 +2080,8 @@ static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)
error = flock_lock_inode(inode, fl);
if (error != FILE_LOCK_DEFERRED)
break;
- error = wait_event_interruptible(fl->fl_wait,
- list_empty(&fl->fl_blocked_member));
+ error = wait_event_interruptible(fl->c.flc_wait,
+ list_empty(&fl->c.flc_blocked_member));
if (error)
break;
}
@@ -2036,7 +2099,7 @@ static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)
int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl)
{
int res = 0;
- switch (fl->fl_flags & (FL_POSIX|FL_FLOCK)) {
+ switch (fl->c.flc_flags & (FL_POSIX|FL_FLOCK)) {
case FL_POSIX:
res = posix_lock_inode_wait(inode, fl);
break;
@@ -2098,13 +2161,13 @@ SYSCALL_DEFINE2(flock, unsigned int, fd, unsigned int, cmd)
flock_make_lock(f.file, &fl, type);
- error = security_file_lock(f.file, fl.fl_type);
+ error = security_file_lock(f.file, fl.c.flc_type);
if (error)
goto out_putf;
can_sleep = !(cmd & LOCK_NB);
if (can_sleep)
- fl.fl_flags |= FL_SLEEP;
+ fl.c.flc_flags |= FL_SLEEP;
if (f.file->f_op->flock)
error = f.file->f_op->flock(f.file,
@@ -2130,7 +2193,7 @@ SYSCALL_DEFINE2(flock, unsigned int, fd, unsigned int, cmd)
*/
int vfs_test_lock(struct file *filp, struct file_lock *fl)
{
- WARN_ON_ONCE(filp != fl->fl_file);
+ WARN_ON_ONCE(filp != fl->c.flc_file);
if (filp->f_op->lock)
return filp->f_op->lock(filp, F_GETLK, fl);
posix_test_lock(filp, fl);
@@ -2145,25 +2208,28 @@ EXPORT_SYMBOL_GPL(vfs_test_lock);
*
* Used to translate a fl_pid into a namespace virtual pid number
*/
-static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns)
+static pid_t locks_translate_pid(struct file_lock_core *fl, struct pid_namespace *ns)
{
pid_t vnr;
struct pid *pid;
- if (IS_OFDLCK(fl))
+ if (fl->flc_flags & FL_OFDLCK)
return -1;
- if (IS_REMOTELCK(fl))
- return fl->fl_pid;
+
+ /* Remote locks report a negative pid value */
+ if (fl->flc_pid <= 0)
+ return fl->flc_pid;
+
/*
* If the flock owner process is dead and its pid has been already
* freed, the translation below won't work, but we still want to show
* flock owner pid number in init pidns.
*/
if (ns == &init_pid_ns)
- return (pid_t)fl->fl_pid;
+ return (pid_t) fl->flc_pid;
rcu_read_lock();
- pid = find_pid_ns(fl->fl_pid, &init_pid_ns);
+ pid = find_pid_ns(fl->flc_pid, &init_pid_ns);
vnr = pid_nr_ns(pid, ns);
rcu_read_unlock();
return vnr;
@@ -2171,7 +2237,7 @@ static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns)
static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)
{
- flock->l_pid = locks_translate_pid(fl, task_active_pid_ns(current));
+ flock->l_pid = locks_translate_pid(&fl->c, task_active_pid_ns(current));
#if BITS_PER_LONG == 32
/*
* Make sure we can represent the posix lock via
@@ -2186,19 +2252,19 @@ static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)
flock->l_len = fl->fl_end == OFFSET_MAX ? 0 :
fl->fl_end - fl->fl_start + 1;
flock->l_whence = 0;
- flock->l_type = fl->fl_type;
+ flock->l_type = fl->c.flc_type;
return 0;
}
#if BITS_PER_LONG == 32
static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl)
{
- flock->l_pid = locks_translate_pid(fl, task_active_pid_ns(current));
+ flock->l_pid = locks_translate_pid(&fl->c, task_active_pid_ns(current));
flock->l_start = fl->fl_start;
flock->l_len = fl->fl_end == OFFSET_MAX ? 0 :
fl->fl_end - fl->fl_start + 1;
flock->l_whence = 0;
- flock->l_type = fl->fl_type;
+ flock->l_type = fl->c.flc_type;
}
#endif
@@ -2227,16 +2293,16 @@ int fcntl_getlk(struct file *filp, unsigned int cmd, struct flock *flock)
if (flock->l_pid != 0)
goto out;
- fl->fl_flags |= FL_OFDLCK;
- fl->fl_owner = filp;
+ fl->c.flc_flags |= FL_OFDLCK;
+ fl->c.flc_owner = filp;
}
error = vfs_test_lock(filp, fl);
if (error)
goto out;
- flock->l_type = fl->fl_type;
- if (fl->fl_type != F_UNLCK) {
+ flock->l_type = fl->c.flc_type;
+ if (fl->c.flc_type != F_UNLCK) {
error = posix_lock_to_flock(flock, fl);
if (error)
goto out;
@@ -2283,7 +2349,7 @@ out:
*/
int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)
{
- WARN_ON_ONCE(filp != fl->fl_file);
+ WARN_ON_ONCE(filp != fl->c.flc_file);
if (filp->f_op->lock)
return filp->f_op->lock(filp, cmd, fl);
else
@@ -2296,7 +2362,7 @@ static int do_lock_file_wait(struct file *filp, unsigned int cmd,
{
int error;
- error = security_file_lock(filp, fl->fl_type);
+ error = security_file_lock(filp, fl->c.flc_type);
if (error)
return error;
@@ -2304,8 +2370,8 @@ static int do_lock_file_wait(struct file *filp, unsigned int cmd,
error = vfs_lock_file(filp, cmd, fl, NULL);
if (error != FILE_LOCK_DEFERRED)
break;
- error = wait_event_interruptible(fl->fl_wait,
- list_empty(&fl->fl_blocked_member));
+ error = wait_event_interruptible(fl->c.flc_wait,
+ list_empty(&fl->c.flc_blocked_member));
if (error)
break;
}
@@ -2318,13 +2384,13 @@ static int do_lock_file_wait(struct file *filp, unsigned int cmd,
static int
check_fmode_for_setlk(struct file_lock *fl)
{
- switch (fl->fl_type) {
+ switch (fl->c.flc_type) {
case F_RDLCK:
- if (!(fl->fl_file->f_mode & FMODE_READ))
+ if (!(fl->c.flc_file->f_mode & FMODE_READ))
return -EBADF;
break;
case F_WRLCK:
- if (!(fl->fl_file->f_mode & FMODE_WRITE))
+ if (!(fl->c.flc_file->f_mode & FMODE_WRITE))
return -EBADF;
}
return 0;
@@ -2363,8 +2429,8 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd,
goto out;
cmd = F_SETLK;
- file_lock->fl_flags |= FL_OFDLCK;
- file_lock->fl_owner = filp;
+ file_lock->c.flc_flags |= FL_OFDLCK;
+ file_lock->c.flc_owner = filp;
break;
case F_OFD_SETLKW:
error = -EINVAL;
@@ -2372,11 +2438,11 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd,
goto out;
cmd = F_SETLKW;
- file_lock->fl_flags |= FL_OFDLCK;
- file_lock->fl_owner = filp;
+ file_lock->c.flc_flags |= FL_OFDLCK;
+ file_lock->c.flc_owner = filp;
fallthrough;
case F_SETLKW:
- file_lock->fl_flags |= FL_SLEEP;
+ file_lock->c.flc_flags |= FL_SLEEP;
}
error = do_lock_file_wait(filp, cmd, file_lock);
@@ -2386,8 +2452,8 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd,
* lock that was just acquired. There is no need to do that when we're
* unlocking though, or for OFD locks.
*/
- if (!error && file_lock->fl_type != F_UNLCK &&
- !(file_lock->fl_flags & FL_OFDLCK)) {
+ if (!error && file_lock->c.flc_type != F_UNLCK &&
+ !(file_lock->c.flc_flags & FL_OFDLCK)) {
struct files_struct *files = current->files;
/*
* We need that spin_lock here - it prevents reordering between
@@ -2398,7 +2464,7 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd,
f = files_lookup_fd_locked(files, fd);
spin_unlock(&files->file_lock);
if (f != filp) {
- file_lock->fl_type = F_UNLCK;
+ file_lock->c.flc_type = F_UNLCK;
error = do_lock_file_wait(filp, cmd, file_lock);
WARN_ON_ONCE(error);
error = -EBADF;
@@ -2437,16 +2503,16 @@ int fcntl_getlk64(struct file *filp, unsigned int cmd, struct flock64 *flock)
if (flock->l_pid != 0)
goto out;
- fl->fl_flags |= FL_OFDLCK;
- fl->fl_owner = filp;
+ fl->c.flc_flags |= FL_OFDLCK;
+ fl->c.flc_owner = filp;
}
error = vfs_test_lock(filp, fl);
if (error)
goto out;
- flock->l_type = fl->fl_type;
- if (fl->fl_type != F_UNLCK)
+ flock->l_type = fl->c.flc_type;
+ if (fl->c.flc_type != F_UNLCK)
posix_lock_to_flock64(flock, fl);
out:
@@ -2486,8 +2552,8 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd,
goto out;
cmd = F_SETLK64;
- file_lock->fl_flags |= FL_OFDLCK;
- file_lock->fl_owner = filp;
+ file_lock->c.flc_flags |= FL_OFDLCK;
+ file_lock->c.flc_owner = filp;
break;
case F_OFD_SETLKW:
error = -EINVAL;
@@ -2495,11 +2561,11 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd,
goto out;
cmd = F_SETLKW64;
- file_lock->fl_flags |= FL_OFDLCK;
- file_lock->fl_owner = filp;
+ file_lock->c.flc_flags |= FL_OFDLCK;
+ file_lock->c.flc_owner = filp;
fallthrough;
case F_SETLKW64:
- file_lock->fl_flags |= FL_SLEEP;
+ file_lock->c.flc_flags |= FL_SLEEP;
}
error = do_lock_file_wait(filp, cmd, file_lock);
@@ -2509,8 +2575,8 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd,
* lock that was just acquired. There is no need to do that when we're
* unlocking though, or for OFD locks.
*/
- if (!error && file_lock->fl_type != F_UNLCK &&
- !(file_lock->fl_flags & FL_OFDLCK)) {
+ if (!error && file_lock->c.flc_type != F_UNLCK &&
+ !(file_lock->c.flc_flags & FL_OFDLCK)) {
struct files_struct *files = current->files;
/*
* We need that spin_lock here - it prevents reordering between
@@ -2521,7 +2587,7 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd,
f = files_lookup_fd_locked(files, fd);
spin_unlock(&files->file_lock);
if (f != filp) {
- file_lock->fl_type = F_UNLCK;
+ file_lock->c.flc_type = F_UNLCK;
error = do_lock_file_wait(filp, cmd, file_lock);
WARN_ON_ONCE(error);
error = -EBADF;
@@ -2555,13 +2621,13 @@ void locks_remove_posix(struct file *filp, fl_owner_t owner)
return;
locks_init_lock(&lock);
- lock.fl_type = F_UNLCK;
- lock.fl_flags = FL_POSIX | FL_CLOSE;
+ lock.c.flc_type = F_UNLCK;
+ lock.c.flc_flags = FL_POSIX | FL_CLOSE;
lock.fl_start = 0;
lock.fl_end = OFFSET_MAX;
- lock.fl_owner = owner;
- lock.fl_pid = current->tgid;
- lock.fl_file = filp;
+ lock.c.flc_owner = owner;
+ lock.c.flc_pid = current->tgid;
+ lock.c.flc_file = filp;
lock.fl_ops = NULL;
lock.fl_lmops = NULL;
@@ -2584,7 +2650,7 @@ locks_remove_flock(struct file *filp, struct file_lock_context *flctx)
return;
flock_make_lock(filp, &fl, F_UNLCK);
- fl.fl_flags |= FL_CLOSE;
+ fl.c.flc_flags |= FL_CLOSE;
if (filp->f_op->flock)
filp->f_op->flock(filp, F_SETLKW, &fl);
@@ -2599,7 +2665,7 @@ locks_remove_flock(struct file *filp, struct file_lock_context *flctx)
static void
locks_remove_lease(struct file *filp, struct file_lock_context *ctx)
{
- struct file_lock *fl, *tmp;
+ struct file_lease *fl, *tmp;
LIST_HEAD(dispose);
if (list_empty(&ctx->flc_lease))
@@ -2607,8 +2673,8 @@ locks_remove_lease(struct file *filp, struct file_lock_context *ctx)
percpu_down_read(&file_rwsem);
spin_lock(&ctx->flc_lock);
- list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list)
- if (filp == fl->fl_file)
+ list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, c.flc_list)
+ if (filp == fl->c.flc_file)
lease_modify(fl, F_UNLCK, &dispose);
spin_unlock(&ctx->flc_lock);
percpu_up_read(&file_rwsem);
@@ -2652,7 +2718,7 @@ void locks_remove_file(struct file *filp)
*/
int vfs_cancel_lock(struct file *filp, struct file_lock *fl)
{
- WARN_ON_ONCE(filp != fl->fl_file);
+ WARN_ON_ONCE(filp != fl->c.flc_file);
if (filp->f_op->lock)
return filp->f_op->lock(filp, F_CANCELLK, fl);
return 0;
@@ -2691,69 +2757,73 @@ struct locks_iterator {
loff_t li_pos;
};
-static void lock_get_status(struct seq_file *f, struct file_lock *fl,
+static void lock_get_status(struct seq_file *f, struct file_lock_core *flc,
loff_t id, char *pfx, int repeat)
{
struct inode *inode = NULL;
- unsigned int fl_pid;
+ unsigned int pid;
struct pid_namespace *proc_pidns = proc_pid_ns(file_inode(f->file)->i_sb);
- int type;
+ int type = flc->flc_type;
+ struct file_lock *fl = file_lock(flc);
+
+ pid = locks_translate_pid(flc, proc_pidns);
- fl_pid = locks_translate_pid(fl, proc_pidns);
/*
* If lock owner is dead (and pid is freed) or not visible in current
* pidns, zero is shown as a pid value. Check lock info from
* init_pid_ns to get saved lock pid value.
*/
-
- if (fl->fl_file != NULL)
- inode = file_inode(fl->fl_file);
+ if (flc->flc_file != NULL)
+ inode = file_inode(flc->flc_file);
seq_printf(f, "%lld: ", id);
if (repeat)
seq_printf(f, "%*s", repeat - 1 + (int)strlen(pfx), pfx);
- if (IS_POSIX(fl)) {
- if (fl->fl_flags & FL_ACCESS)
+ if (flc->flc_flags & FL_POSIX) {
+ if (flc->flc_flags & FL_ACCESS)
seq_puts(f, "ACCESS");
- else if (IS_OFDLCK(fl))
+ else if (flc->flc_flags & FL_OFDLCK)
seq_puts(f, "OFDLCK");
else
seq_puts(f, "POSIX ");
seq_printf(f, " %s ",
(inode == NULL) ? "*NOINODE*" : "ADVISORY ");
- } else if (IS_FLOCK(fl)) {
+ } else if (flc->flc_flags & FL_FLOCK) {
seq_puts(f, "FLOCK ADVISORY ");
- } else if (IS_LEASE(fl)) {
- if (fl->fl_flags & FL_DELEG)
+ } else if (flc->flc_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT)) {
+ struct file_lease *lease = file_lease(flc);
+
+ type = target_leasetype(lease);
+
+ if (flc->flc_flags & FL_DELEG)
seq_puts(f, "DELEG ");
else
seq_puts(f, "LEASE ");
- if (lease_breaking(fl))
+ if (lease_breaking(lease))
seq_puts(f, "BREAKING ");
- else if (fl->fl_file)
+ else if (flc->flc_file)
seq_puts(f, "ACTIVE ");
else
seq_puts(f, "BREAKER ");
} else {
seq_puts(f, "UNKNOWN UNKNOWN ");
}
- type = IS_LEASE(fl) ? target_leasetype(fl) : fl->fl_type;
seq_printf(f, "%s ", (type == F_WRLCK) ? "WRITE" :
(type == F_RDLCK) ? "READ" : "UNLCK");
if (inode) {
/* userspace relies on this representation of dev_t */
- seq_printf(f, "%d %02x:%02x:%lu ", fl_pid,
+ seq_printf(f, "%d %02x:%02x:%lu ", pid,
MAJOR(inode->i_sb->s_dev),
MINOR(inode->i_sb->s_dev), inode->i_ino);
} else {
- seq_printf(f, "%d <none>:0 ", fl_pid);
+ seq_printf(f, "%d <none>:0 ", pid);
}
- if (IS_POSIX(fl)) {
+ if (flc->flc_flags & FL_POSIX) {
if (fl->fl_end == OFFSET_MAX)
seq_printf(f, "%Ld EOF\n", fl->fl_start);
else
@@ -2763,17 +2833,18 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl,
}
}
-static struct file_lock *get_next_blocked_member(struct file_lock *node)
+static struct file_lock_core *get_next_blocked_member(struct file_lock_core *node)
{
- struct file_lock *tmp;
+ struct file_lock_core *tmp;
/* NULL node or root node */
- if (node == NULL || node->fl_blocker == NULL)
+ if (node == NULL || node->flc_blocker == NULL)
return NULL;
/* Next member in the linked list could be itself */
- tmp = list_next_entry(node, fl_blocked_member);
- if (list_entry_is_head(tmp, &node->fl_blocker->fl_blocked_requests, fl_blocked_member)
+ tmp = list_next_entry(node, flc_blocked_member);
+ if (list_entry_is_head(tmp, &node->flc_blocker->flc_blocked_requests,
+ flc_blocked_member)
|| tmp == node) {
return NULL;
}
@@ -2784,18 +2855,18 @@ static struct file_lock *get_next_blocked_member(struct file_lock *node)
static int locks_show(struct seq_file *f, void *v)
{
struct locks_iterator *iter = f->private;
- struct file_lock *cur, *tmp;
+ struct file_lock_core *cur, *tmp;
struct pid_namespace *proc_pidns = proc_pid_ns(file_inode(f->file)->i_sb);
int level = 0;
- cur = hlist_entry(v, struct file_lock, fl_link);
+ cur = hlist_entry(v, struct file_lock_core, flc_link);
if (locks_translate_pid(cur, proc_pidns) == 0)
return 0;
- /* View this crossed linked list as a binary tree, the first member of fl_blocked_requests
- * is the left child of current node, the next silibing in fl_blocked_member is the
- * right child, we can alse get the parent of current node from fl_blocker, so this
+ /* View this crossed linked list as a binary tree, the first member of flc_blocked_requests
+ * is the left child of current node, the next silibing in flc_blocked_member is the
+ * right child, we can alse get the parent of current node from flc_blocker, so this
* question becomes traversal of a binary tree
*/
while (cur != NULL) {
@@ -2804,17 +2875,18 @@ static int locks_show(struct seq_file *f, void *v)
else
lock_get_status(f, cur, iter->li_pos, "", level);
- if (!list_empty(&cur->fl_blocked_requests)) {
+ if (!list_empty(&cur->flc_blocked_requests)) {
/* Turn left */
- cur = list_first_entry_or_null(&cur->fl_blocked_requests,
- struct file_lock, fl_blocked_member);
+ cur = list_first_entry_or_null(&cur->flc_blocked_requests,
+ struct file_lock_core,
+ flc_blocked_member);
level++;
} else {
/* Turn right */
tmp = get_next_blocked_member(cur);
/* Fall back to parent node */
- while (tmp == NULL && cur->fl_blocker != NULL) {
- cur = cur->fl_blocker;
+ while (tmp == NULL && cur->flc_blocker != NULL) {
+ cur = cur->flc_blocker;
level--;
tmp = get_next_blocked_member(cur);
}
@@ -2829,14 +2901,13 @@ static void __show_fd_locks(struct seq_file *f,
struct list_head *head, int *id,
struct file *filp, struct files_struct *files)
{
- struct file_lock *fl;
+ struct file_lock_core *fl;
- list_for_each_entry(fl, head, fl_list) {
+ list_for_each_entry(fl, head, flc_list) {
- if (filp != fl->fl_file)
+ if (filp != fl->flc_file)
continue;
- if (fl->fl_owner != files &&
- fl->fl_owner != filp)
+ if (fl->flc_owner != files && fl->flc_owner != filp)
continue;
(*id)++;
@@ -2915,6 +2986,9 @@ static int __init filelock_init(void)
filelock_cache = kmem_cache_create("file_lock_cache",
sizeof(struct file_lock), 0, SLAB_PANIC, NULL);
+ filelease_cache = kmem_cache_create("file_lock_cache",
+ sizeof(struct file_lease), 0, SLAB_PANIC, NULL);
+
for_each_possible_cpu(i) {
struct file_lock_list_struct *fll = per_cpu_ptr(&file_lock_list, i);
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index fa1a14def45c..d4a42ce0c7e3 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -156,8 +156,8 @@ static int nfs_delegation_claim_locks(struct nfs4_state *state, const nfs4_state
list = &flctx->flc_posix;
spin_lock(&flctx->flc_lock);
restart:
- list_for_each_entry(fl, list, fl_list) {
- if (nfs_file_open_context(fl->fl_file)->state != state)
+ for_each_file_lock(fl, list) {
+ if (nfs_file_open_context(fl->c.flc_file)->state != state)
continue;
spin_unlock(&flctx->flc_lock);
status = nfs4_lock_delegation_recall(fl, state, stateid);
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 8577ccf621f5..407c6e15afe2 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -720,15 +720,15 @@ do_getlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
{
struct inode *inode = filp->f_mapping->host;
int status = 0;
- unsigned int saved_type = fl->fl_type;
+ unsigned int saved_type = fl->c.flc_type;
/* Try local locking first */
posix_test_lock(filp, fl);
- if (fl->fl_type != F_UNLCK) {
+ if (fl->c.flc_type != F_UNLCK) {
/* found a conflict */
goto out;
}
- fl->fl_type = saved_type;
+ fl->c.flc_type = saved_type;
if (NFS_PROTO(inode)->have_delegation(inode, FMODE_READ))
goto out_noconflict;
@@ -740,7 +740,7 @@ do_getlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
out:
return status;
out_noconflict:
- fl->fl_type = F_UNLCK;
+ fl->c.flc_type = F_UNLCK;
goto out;
}
@@ -765,7 +765,7 @@ do_unlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
* If we're signalled while cleaning up locks on process exit, we
* still need to complete the unlock.
*/
- if (status < 0 && !(fl->fl_flags & FL_CLOSE))
+ if (status < 0 && !(fl->c.flc_flags & FL_CLOSE))
return status;
}
@@ -832,12 +832,12 @@ int nfs_lock(struct file *filp, int cmd, struct file_lock *fl)
int is_local = 0;
dprintk("NFS: lock(%pD2, t=%x, fl=%x, r=%lld:%lld)\n",
- filp, fl->fl_type, fl->fl_flags,
+ filp, fl->c.flc_type, fl->c.flc_flags,
(long long)fl->fl_start, (long long)fl->fl_end);
nfs_inc_stats(inode, NFSIOS_VFSLOCK);
- if (fl->fl_flags & FL_RECLAIM)
+ if (fl->c.flc_flags & FL_RECLAIM)
return -ENOGRACE;
if (NFS_SERVER(inode)->flags & NFS_MOUNT_LOCAL_FCNTL)
@@ -851,7 +851,7 @@ int nfs_lock(struct file *filp, int cmd, struct file_lock *fl)
if (IS_GETLK(cmd))
ret = do_getlk(filp, cmd, fl, is_local);
- else if (fl->fl_type == F_UNLCK)
+ else if (lock_is_unlock(fl))
ret = do_unlk(filp, cmd, fl, is_local);
else
ret = do_setlk(filp, cmd, fl, is_local);
@@ -869,16 +869,16 @@ int nfs_flock(struct file *filp, int cmd, struct file_lock *fl)
int is_local = 0;
dprintk("NFS: flock(%pD2, t=%x, fl=%x)\n",
- filp, fl->fl_type, fl->fl_flags);
+ filp, fl->c.flc_type, fl->c.flc_flags);
- if (!(fl->fl_flags & FL_FLOCK))
+ if (!(fl->c.flc_flags & FL_FLOCK))
return -ENOLCK;
if (NFS_SERVER(inode)->flags & NFS_MOUNT_LOCAL_FLOCK)
is_local = 1;
/* We're simulating flock() locks using posix locks on the server */
- if (fl->fl_type == F_UNLCK)
+ if (lock_is_unlock(fl))
return do_unlk(filp, cmd, fl, is_local);
return do_setlk(filp, cmd, fl, is_local);
}
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 2de66e4e8280..cbbe3f0193b8 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -963,7 +963,7 @@ nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
struct nfs_open_context *ctx = nfs_file_open_context(filp);
int status;
- if (fl->fl_flags & FL_CLOSE) {
+ if (fl->c.flc_flags & FL_CLOSE) {
l_ctx = nfs_get_lock_context(ctx);
if (IS_ERR(l_ctx))
l_ctx = NULL;
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 581698f1b7b2..6ff41ceb9f1c 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -330,7 +330,7 @@ extern int update_open_stateid(struct nfs4_state *state,
const nfs4_stateid *deleg_stateid,
fmode_t fmode);
extern int nfs4_proc_setlease(struct file *file, int arg,
- struct file_lock **lease, void **priv);
+ struct file_lease **lease, void **priv);
extern int nfs4_proc_get_lease_time(struct nfs_client *clp,
struct nfs_fsinfo *fsinfo);
extern void nfs4_update_changeattr(struct inode *dir,
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index e238abc78a13..1cd9652f3c28 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -439,7 +439,7 @@ void nfs42_ssc_unregister_ops(void)
}
#endif /* CONFIG_NFS_V4_2 */
-static int nfs4_setlease(struct file *file, int arg, struct file_lock **lease,
+static int nfs4_setlease(struct file *file, int arg, struct file_lease **lease,
void **priv)
{
return nfs4_proc_setlease(file, arg, lease, priv);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 23819a756508..815996cb27fc 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6800,7 +6800,7 @@ static int _nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock
status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
switch (status) {
case 0:
- request->fl_type = F_UNLCK;
+ request->c.flc_type = F_UNLCK;
break;
case -NFS4ERR_DENIED:
status = 0;
@@ -7018,8 +7018,8 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl,
/* Ensure this is an unlock - when canceling a lock, the
* canceled lock is passed in, and it won't be an unlock.
*/
- fl->fl_type = F_UNLCK;
- if (fl->fl_flags & FL_CLOSE)
+ fl->c.flc_type = F_UNLCK;
+ if (fl->c.flc_flags & FL_CLOSE)
set_bit(NFS_CONTEXT_UNLOCK, &ctx->flags);
data = nfs4_alloc_unlockdata(fl, ctx, lsp, seqid);
@@ -7045,11 +7045,11 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
struct rpc_task *task;
struct nfs_seqid *(*alloc_seqid)(struct nfs_seqid_counter *, gfp_t);
int status = 0;
- unsigned char fl_flags = request->fl_flags;
+ unsigned char saved_flags = request->c.flc_flags;
status = nfs4_set_lock_state(state, request);
/* Unlock _before_ we do the RPC call */
- request->fl_flags |= FL_EXISTS;
+ request->c.flc_flags |= FL_EXISTS;
/* Exclude nfs_delegation_claim_locks() */
mutex_lock(&sp->so_delegreturn_mutex);
/* Exclude nfs4_reclaim_open_stateid() - note nesting! */
@@ -7073,14 +7073,16 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
status = -ENOMEM;
if (IS_ERR(seqid))
goto out;
- task = nfs4_do_unlck(request, nfs_file_open_context(request->fl_file), lsp, seqid);
+ task = nfs4_do_unlck(request,
+ nfs_file_open_context(request->c.flc_file),
+ lsp, seqid);
status = PTR_ERR(task);
if (IS_ERR(task))
goto out;
status = rpc_wait_for_completion_task(task);
rpc_put_task(task);
out:
- request->fl_flags = fl_flags;
+ request->c.flc_flags = saved_flags;
trace_nfs4_unlock(request, state, F_SETLK, status);
return status;
}
@@ -7191,7 +7193,7 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata)
renew_lease(NFS_SERVER(d_inode(data->ctx->dentry)),
data->timestamp);
if (data->arg.new_lock && !data->cancelled) {
- data->fl.fl_flags &= ~(FL_SLEEP | FL_ACCESS);
+ data->fl.c.flc_flags &= ~(FL_SLEEP | FL_ACCESS);
if (locks_lock_inode_wait(lsp->ls_state->inode, &data->fl) < 0)
goto out_restart;
}
@@ -7292,7 +7294,8 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
if (nfs_server_capable(state->inode, NFS_CAP_MOVEABLE))
task_setup_data.flags |= RPC_TASK_MOVEABLE;
- data = nfs4_alloc_lockdata(fl, nfs_file_open_context(fl->fl_file),
+ data = nfs4_alloc_lockdata(fl,
+ nfs_file_open_context(fl->c.flc_file),
fl->fl_u.nfs4_fl.owner, GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
@@ -7398,10 +7401,10 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock
{
struct nfs_inode *nfsi = NFS_I(state->inode);
struct nfs4_state_owner *sp = state->owner;
- unsigned char fl_flags = request->fl_flags;
+ unsigned char flags = request->c.flc_flags;
int status;
- request->fl_flags |= FL_ACCESS;
+ request->c.flc_flags |= FL_ACCESS;
status = locks_lock_inode_wait(state->inode, request);
if (status < 0)
goto out;
@@ -7410,7 +7413,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock
if (test_bit(NFS_DELEGATED_STATE, &state->flags)) {
/* Yes: cache locks! */
/* ...but avoid races with delegation recall... */
- request->fl_flags = fl_flags & ~FL_SLEEP;
+ request->c.flc_flags = flags & ~FL_SLEEP;
status = locks_lock_inode_wait(state->inode, request);
up_read(&nfsi->rwsem);
mutex_unlock(&sp->so_delegreturn_mutex);
@@ -7420,7 +7423,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock
mutex_unlock(&sp->so_delegreturn_mutex);
status = _nfs4_do_setlk(state, cmd, request, NFS_LOCK_NEW);
out:
- request->fl_flags = fl_flags;
+ request->c.flc_flags = flags;
return status;
}
@@ -7562,7 +7565,7 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
if (!(IS_SETLK(cmd) || IS_SETLKW(cmd)))
return -EINVAL;
- if (request->fl_type == F_UNLCK) {
+ if (lock_is_unlock(request)) {
if (state != NULL)
return nfs4_proc_unlck(state, cmd, request);
return 0;
@@ -7571,7 +7574,7 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
if (state == NULL)
return -ENOLCK;
- if ((request->fl_flags & FL_POSIX) &&
+ if ((request->c.flc_flags & FL_POSIX) &&
!test_bit(NFS_STATE_POSIX_LOCKS, &state->flags))
return -ENOLCK;
@@ -7579,7 +7582,7 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
* Don't rely on the VFS having checked the file open mode,
* since it won't do this for flock() locks.
*/
- switch (request->fl_type) {
+ switch (request->c.flc_type) {
case F_RDLCK:
if (!(filp->f_mode & FMODE_READ))
return -EBADF;
@@ -7601,7 +7604,7 @@ static int nfs4_delete_lease(struct file *file, void **priv)
return generic_setlease(file, F_UNLCK, NULL, priv);
}
-static int nfs4_add_lease(struct file *file, int arg, struct file_lock **lease,
+static int nfs4_add_lease(struct file *file, int arg, struct file_lease **lease,
void **priv)
{
struct inode *inode = file_inode(file);
@@ -7619,7 +7622,7 @@ static int nfs4_add_lease(struct file *file, int arg, struct file_lock **lease,
return -EAGAIN;
}
-int nfs4_proc_setlease(struct file *file, int arg, struct file_lock **lease,
+int nfs4_proc_setlease(struct file *file, int arg, struct file_lease **lease,
void **priv)
{
switch (arg) {
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 9a5d911a7edc..8cfabdbda336 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -847,15 +847,15 @@ void nfs4_close_sync(struct nfs4_state *state, fmode_t fmode)
*/
static struct nfs4_lock_state *
__nfs4_find_lock_state(struct nfs4_state *state,
- fl_owner_t fl_owner, fl_owner_t fl_owner2)
+ fl_owner_t owner, fl_owner_t owner2)
{
struct nfs4_lock_state *pos, *ret = NULL;
list_for_each_entry(pos, &state->lock_states, ls_locks) {
- if (pos->ls_owner == fl_owner) {
+ if (pos->ls_owner == owner) {
ret = pos;
break;
}
- if (pos->ls_owner == fl_owner2)
+ if (pos->ls_owner == owner2)
ret = pos;
}
if (ret)
@@ -868,7 +868,7 @@ __nfs4_find_lock_state(struct nfs4_state *state,
* exists, return an uninitialized one.
*
*/
-static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, fl_owner_t fl_owner)
+static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, fl_owner_t owner)
{
struct nfs4_lock_state *lsp;
struct nfs_server *server = state->owner->so_server;
@@ -879,7 +879,7 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f
nfs4_init_seqid_counter(&lsp->ls_seqid);
refcount_set(&lsp->ls_count, 1);
lsp->ls_state = state;
- lsp->ls_owner = fl_owner;
+ lsp->ls_owner = owner;
lsp->ls_seqid.owner_id = ida_alloc(&server->lockowner_id, GFP_KERNEL_ACCOUNT);
if (lsp->ls_seqid.owner_id < 0)
goto out_free;
@@ -980,7 +980,7 @@ int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl)
if (fl->fl_ops != NULL)
return 0;
- lsp = nfs4_get_lock_state(state, fl->fl_owner);
+ lsp = nfs4_get_lock_state(state, fl->c.flc_owner);
if (lsp == NULL)
return -ENOMEM;
fl->fl_u.nfs4_fl.owner = lsp;
@@ -993,7 +993,7 @@ static int nfs4_copy_lock_stateid(nfs4_stateid *dst,
const struct nfs_lock_context *l_ctx)
{
struct nfs4_lock_state *lsp;
- fl_owner_t fl_owner, fl_flock_owner;
+ fl_owner_t owner, fl_flock_owner;
int ret = -ENOENT;
if (l_ctx == NULL)
@@ -1002,11 +1002,11 @@ static int nfs4_copy_lock_stateid(nfs4_stateid *dst,
if (test_bit(LK_STATE_IN_USE, &state->flags) == 0)
goto out;
- fl_owner = l_ctx->lockowner;
+ owner = l_ctx->lockowner;
fl_flock_owner = l_ctx->open_context->flock_owner;
spin_lock(&state->state_lock);
- lsp = __nfs4_find_lock_state(state, fl_owner, fl_flock_owner);
+ lsp = __nfs4_find_lock_state(state, owner, fl_flock_owner);
if (lsp && test_bit(NFS_LOCK_LOST, &lsp->ls_flags))
ret = -EIO;
else if (lsp != NULL && test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags) != 0) {
@@ -1529,8 +1529,8 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_
down_write(&nfsi->rwsem);
spin_lock(&flctx->flc_lock);
restart:
- list_for_each_entry(fl, list, fl_list) {
- if (nfs_file_open_context(fl->fl_file)->state != state)
+ for_each_file_lock(fl, list) {
+ if (nfs_file_open_context(fl->c.flc_file)->state != state)
continue;
spin_unlock(&flctx->flc_lock);
status = ops->recover_lock(state, fl);
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index d27919d7241d..fd7cb15b08b2 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -699,7 +699,7 @@ DECLARE_EVENT_CLASS(nfs4_lock_event,
__entry->error = error < 0 ? -error : 0;
__entry->cmd = cmd;
- __entry->type = request->fl_type;
+ __entry->type = request->c.flc_type;
__entry->start = request->fl_start;
__entry->end = request->fl_end;
__entry->dev = inode->i_sb->s_dev;
@@ -771,7 +771,7 @@ TRACE_EVENT(nfs4_set_lock,
__entry->error = error < 0 ? -error : 0;
__entry->cmd = cmd;
- __entry->type = request->fl_type;
+ __entry->type = request->c.flc_type;
__entry->start = request->fl_start;
__entry->end = request->fl_end;
__entry->dev = inode->i_sb->s_dev;
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 69406e60f391..1416099dfcd1 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1305,7 +1305,7 @@ static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct
static inline int nfs4_lock_type(struct file_lock *fl, int block)
{
- if (fl->fl_type == F_RDLCK)
+ if (lock_is_read(fl))
return block ? NFS4_READW_LT : NFS4_READ_LT;
return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT;
}
@@ -5052,10 +5052,10 @@ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl)
fl->fl_end = fl->fl_start + (loff_t)length - 1;
if (length == ~(uint64_t)0)
fl->fl_end = OFFSET_MAX;
- fl->fl_type = F_WRLCK;
+ fl->c.flc_type = F_WRLCK;
if (type & 1)
- fl->fl_type = F_RDLCK;
- fl->fl_pid = 0;
+ fl->c.flc_type = F_RDLCK;
+ fl->c.flc_pid = 0;
}
p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */
namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index bb79d3a886ae..84bb85264572 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1301,7 +1301,7 @@ static bool
is_whole_file_wrlock(struct file_lock *fl)
{
return fl->fl_start == 0 && fl->fl_end == OFFSET_MAX &&
- fl->fl_type == F_WRLCK;
+ lock_is_write(fl);
}
/* If we know the page is up to date, and we're not using byte range locks (or
@@ -1335,13 +1335,13 @@ static int nfs_can_extend_write(struct file *file, struct folio *folio,
spin_lock(&flctx->flc_lock);
if (!list_empty(&flctx->flc_posix)) {
fl = list_first_entry(&flctx->flc_posix, struct file_lock,
- fl_list);
+ c.flc_list);
if (is_whole_file_wrlock(fl))
ret = 1;
} else if (!list_empty(&flctx->flc_flock)) {
fl = list_first_entry(&flctx->flc_flock, struct file_lock,
- fl_list);
- if (fl->fl_type == F_WRLCK)
+ c.flc_list);
+ if (lock_is_write(fl))
ret = 1;
}
spin_unlock(&flctx->flc_lock);
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 9cb7f0c33df5..b86d8494052c 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -662,8 +662,8 @@ nfsd_file_lease_notifier_call(struct notifier_block *nb, unsigned long arg,
struct file_lock *fl = data;
/* Only close files for F_SETLEASE leases */
- if (fl->fl_flags & FL_LEASE)
- nfsd_file_close_inode(file_inode(fl->fl_file));
+ if (fl->c.flc_flags & FL_LEASE)
+ nfsd_file_close_inode(file_inode(fl->c.flc_file));
return 0;
}
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 926c29879c6a..32d23ef3e5de 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -674,7 +674,7 @@ static void nfs4_xdr_enc_cb_notify_lock(struct rpc_rqst *req,
const struct nfsd4_callback *cb = data;
const struct nfsd4_blocked_lock *nbl =
container_of(cb, struct nfsd4_blocked_lock, nbl_cb);
- struct nfs4_lockowner *lo = (struct nfs4_lockowner *)nbl->nbl_lock.fl_owner;
+ struct nfs4_lockowner *lo = (struct nfs4_lockowner *)nbl->nbl_lock.c.flc_owner;
struct nfs4_cb_compound_hdr hdr = {
.ident = 0,
.minorversion = cb->cb_clp->cl_minorversion,
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 5e8096bc5eaa..4c0d00bdfbb1 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -25,7 +25,7 @@ static struct kmem_cache *nfs4_layout_cache;
static struct kmem_cache *nfs4_layout_stateid_cache;
static const struct nfsd4_callback_ops nfsd4_cb_layout_ops;
-static const struct lock_manager_operations nfsd4_layouts_lm_ops;
+static const struct lease_manager_operations nfsd4_layouts_lm_ops;
const struct nfsd4_layout_ops *nfsd4_layout_ops[LAYOUT_TYPE_MAX] = {
#ifdef CONFIG_NFSD_FLEXFILELAYOUT
@@ -170,7 +170,7 @@ nfsd4_free_layout_stateid(struct nfs4_stid *stid)
spin_unlock(&fp->fi_lock);
if (!nfsd4_layout_ops[ls->ls_layout_type]->disable_recalls)
- vfs_setlease(ls->ls_file->nf_file, F_UNLCK, NULL, (void **)&ls);
+ kernel_setlease(ls->ls_file->nf_file, F_UNLCK, NULL, (void **)&ls);
nfsd_file_put(ls->ls_file);
if (ls->ls_recalled)
@@ -182,27 +182,26 @@ nfsd4_free_layout_stateid(struct nfs4_stid *stid)
static int
nfsd4_layout_setlease(struct nfs4_layout_stateid *ls)
{
- struct file_lock *fl;
+ struct file_lease *fl;
int status;
if (nfsd4_layout_ops[ls->ls_layout_type]->disable_recalls)
return 0;
- fl = locks_alloc_lock();
+ fl = locks_alloc_lease();
if (!fl)
return -ENOMEM;
- locks_init_lock(fl);
+ locks_init_lease(fl);
fl->fl_lmops = &nfsd4_layouts_lm_ops;
- fl->fl_flags = FL_LAYOUT;
- fl->fl_type = F_RDLCK;
- fl->fl_end = OFFSET_MAX;
- fl->fl_owner = ls;
- fl->fl_pid = current->tgid;
- fl->fl_file = ls->ls_file->nf_file;
-
- status = vfs_setlease(fl->fl_file, fl->fl_type, &fl, NULL);
+ fl->c.flc_flags = FL_LAYOUT;
+ fl->c.flc_type = F_RDLCK;
+ fl->c.flc_owner = ls;
+ fl->c.flc_pid = current->tgid;
+ fl->c.flc_file = ls->ls_file->nf_file;
+
+ status = kernel_setlease(fl->c.flc_file, fl->c.flc_type, &fl, NULL);
if (status) {
- locks_free_lock(fl);
+ locks_free_lease(fl);
return status;
}
BUG_ON(fl != NULL);
@@ -723,7 +722,7 @@ static const struct nfsd4_callback_ops nfsd4_cb_layout_ops = {
};
static bool
-nfsd4_layout_lm_break(struct file_lock *fl)
+nfsd4_layout_lm_break(struct file_lease *fl)
{
/*
* We don't want the locks code to timeout the lease for us;
@@ -731,19 +730,19 @@ nfsd4_layout_lm_break(struct file_lock *fl)
* in time:
*/
fl->fl_break_time = 0;
- nfsd4_recall_file_layout(fl->fl_owner);
+ nfsd4_recall_file_layout(fl->c.flc_owner);
return false;
}
static int
-nfsd4_layout_lm_change(struct file_lock *onlist, int arg,
+nfsd4_layout_lm_change(struct file_lease *onlist, int arg,
struct list_head *dispose)
{
BUG_ON(!(arg & F_UNLCK));
return lease_modify(onlist, arg, dispose);
}
-static const struct lock_manager_operations nfsd4_layouts_lm_ops = {
+static const struct lease_manager_operations nfsd4_layouts_lm_ops = {
.lm_break = nfsd4_layout_lm_break,
.lm_change = nfsd4_layout_lm_change,
};
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7d6c657e0409..9257425cbd1a 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1249,7 +1249,7 @@ static void nfs4_unlock_deleg_lease(struct nfs4_delegation *dp)
WARN_ON_ONCE(!fp->fi_delegees);
- vfs_setlease(nf->nf_file, F_UNLCK, NULL, (void **)&dp);
+ kernel_setlease(nf->nf_file, F_UNLCK, NULL, (void **)&dp);
put_deleg_file(fp);
}
@@ -4922,9 +4922,9 @@ static void nfsd_break_one_deleg(struct nfs4_delegation *dp)
/* Called from break_lease() with flc_lock held. */
static bool
-nfsd_break_deleg_cb(struct file_lock *fl)
+nfsd_break_deleg_cb(struct file_lease *fl)
{
- struct nfs4_delegation *dp = (struct nfs4_delegation *)fl->fl_owner;
+ struct nfs4_delegation *dp = (struct nfs4_delegation *) fl->c.flc_owner;
struct nfs4_file *fp = dp->dl_stid.sc_file;
struct nfs4_client *clp = dp->dl_stid.sc_client;
struct nfsd_net *nn;
@@ -4958,9 +4958,9 @@ nfsd_break_deleg_cb(struct file_lock *fl)
* %true: Lease conflict was resolved
* %false: Lease conflict was not resolved.
*/
-static bool nfsd_breaker_owns_lease(struct file_lock *fl)
+static bool nfsd_breaker_owns_lease(struct file_lease *fl)
{
- struct nfs4_delegation *dl = fl->fl_owner;
+ struct nfs4_delegation *dl = fl->c.flc_owner;
struct svc_rqst *rqst;
struct nfs4_client *clp;
@@ -4975,10 +4975,10 @@ static bool nfsd_breaker_owns_lease(struct file_lock *fl)
}
static int
-nfsd_change_deleg_cb(struct file_lock *onlist, int arg,
+nfsd_change_deleg_cb(struct file_lease *onlist, int arg,
struct list_head *dispose)
{
- struct nfs4_delegation *dp = (struct nfs4_delegation *)onlist->fl_owner;
+ struct nfs4_delegation *dp = (struct nfs4_delegation *) onlist->c.flc_owner;
struct nfs4_client *clp = dp->dl_stid.sc_client;
if (arg & F_UNLCK) {
@@ -4989,7 +4989,7 @@ nfsd_change_deleg_cb(struct file_lock *onlist, int arg,
return -EAGAIN;
}
-static const struct lock_manager_operations nfsd_lease_mng_ops = {
+static const struct lease_manager_operations nfsd_lease_mng_ops = {
.lm_breaker_owns_lease = nfsd_breaker_owns_lease,
.lm_break = nfsd_break_deleg_cb,
.lm_change = nfsd_change_deleg_cb,
@@ -5329,21 +5329,20 @@ static bool nfsd4_cb_channel_good(struct nfs4_client *clp)
return clp->cl_minorversion && clp->cl_cb_state == NFSD4_CB_UNKNOWN;
}
-static struct file_lock *nfs4_alloc_init_lease(struct nfs4_delegation *dp,
+static struct file_lease *nfs4_alloc_init_lease(struct nfs4_delegation *dp,
int flag)
{
- struct file_lock *fl;
+ struct file_lease *fl;
- fl = locks_alloc_lock();
+ fl = locks_alloc_lease();
if (!fl)
return NULL;
fl->fl_lmops = &nfsd_lease_mng_ops;
- fl->fl_flags = FL_DELEG;
- fl->fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
- fl->fl_end = OFFSET_MAX;
- fl->fl_owner = (fl_owner_t)dp;
- fl->fl_pid = current->tgid;
- fl->fl_file = dp->dl_stid.sc_file->fi_deleg_file->nf_file;
+ fl->c.flc_flags = FL_DELEG;
+ fl->c.flc_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
+ fl->c.flc_owner = (fl_owner_t)dp;
+ fl->c.flc_pid = current->tgid;
+ fl->c.flc_file = dp->dl_stid.sc_file->fi_deleg_file->nf_file;
return fl;
}
@@ -5461,7 +5460,7 @@ nfs4_set_delegation(struct nfsd4_open *open, struct nfs4_ol_stateid *stp,
struct nfs4_clnt_odstate *odstate = stp->st_clnt_odstate;
struct nfs4_delegation *dp;
struct nfsd_file *nf = NULL;
- struct file_lock *fl;
+ struct file_lease *fl;
u32 dl_type;
/*
@@ -5531,9 +5530,10 @@ nfs4_set_delegation(struct nfsd4_open *open, struct nfs4_ol_stateid *stp,
if (!fl)
goto out_clnt_odstate;
- status = vfs_setlease(fp->fi_deleg_file->nf_file, fl->fl_type, &fl, NULL);
+ status = kernel_setlease(fp->fi_deleg_file->nf_file,
+ fl->c.flc_type, &fl, NULL);
if (fl)
- locks_free_lock(fl);
+ locks_free_lease(fl);
if (status)
goto out_clnt_odstate;
@@ -5570,7 +5570,7 @@ nfs4_set_delegation(struct nfsd4_open *open, struct nfs4_ol_stateid *stp,
return dp;
out_unlock:
- vfs_setlease(fp->fi_deleg_file->nf_file, F_UNLCK, NULL, (void **)&dp);
+ kernel_setlease(fp->fi_deleg_file->nf_file, F_UNLCK, NULL, (void **)&dp);
out_clnt_odstate:
put_clnt_odstate(dp->dl_clnt_odstate);
nfs4_put_stid(&dp->dl_stid);
@@ -7148,7 +7148,7 @@ nfsd4_lm_put_owner(fl_owner_t owner)
static bool
nfsd4_lm_lock_expirable(struct file_lock *cfl)
{
- struct nfs4_lockowner *lo = (struct nfs4_lockowner *)cfl->fl_owner;
+ struct nfs4_lockowner *lo = (struct nfs4_lockowner *) cfl->c.flc_owner;
struct nfs4_client *clp = lo->lo_owner.so_client;
struct nfsd_net *nn;
@@ -7170,7 +7170,7 @@ nfsd4_lm_expire_lock(void)
static void
nfsd4_lm_notify(struct file_lock *fl)
{
- struct nfs4_lockowner *lo = (struct nfs4_lockowner *)fl->fl_owner;
+ struct nfs4_lockowner *lo = (struct nfs4_lockowner *) fl->c.flc_owner;
struct net *net = lo->lo_owner.so_client->net;
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
struct nfsd4_blocked_lock *nbl = container_of(fl,
@@ -7207,7 +7207,7 @@ nfs4_set_lock_denied(struct file_lock *fl, struct nfsd4_lock_denied *deny)
struct nfs4_lockowner *lo;
if (fl->fl_lmops == &nfsd_posix_mng_ops) {
- lo = (struct nfs4_lockowner *) fl->fl_owner;
+ lo = (struct nfs4_lockowner *) fl->c.flc_owner;
xdr_netobj_dup(&deny->ld_owner, &lo->lo_owner.so_owner,
GFP_KERNEL);
if (!deny->ld_owner.data)
@@ -7226,7 +7226,7 @@ nevermind:
if (fl->fl_end != NFS4_MAX_UINT64)
deny->ld_length = fl->fl_end - fl->fl_start + 1;
deny->ld_type = NFS4_READ_LT;
- if (fl->fl_type != F_RDLCK)
+ if (fl->c.flc_type != F_RDLCK)
deny->ld_type = NFS4_WRITE_LT;
}
@@ -7492,8 +7492,8 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
int lkflg;
int err;
bool new = false;
- unsigned char fl_type;
- unsigned int fl_flags = FL_POSIX;
+ unsigned char type;
+ unsigned int flags = FL_POSIX;
struct net *net = SVC_NET(rqstp);
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
@@ -7556,14 +7556,14 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
goto out;
if (lock->lk_reclaim)
- fl_flags |= FL_RECLAIM;
+ flags |= FL_RECLAIM;
fp = lock_stp->st_stid.sc_file;
switch (lock->lk_type) {
case NFS4_READW_LT:
if (nfsd4_has_session(cstate) ||
exportfs_lock_op_is_async(sb->s_export_op))
- fl_flags |= FL_SLEEP;
+ flags |= FL_SLEEP;
fallthrough;
case NFS4_READ_LT:
spin_lock(&fp->fi_lock);
@@ -7571,12 +7571,12 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
if (nf)
get_lock_access(lock_stp, NFS4_SHARE_ACCESS_READ);
spin_unlock(&fp->fi_lock);
- fl_type = F_RDLCK;
+ type = F_RDLCK;
break;
case NFS4_WRITEW_LT:
if (nfsd4_has_session(cstate) ||
exportfs_lock_op_is_async(sb->s_export_op))
- fl_flags |= FL_SLEEP;
+ flags |= FL_SLEEP;
fallthrough;
case NFS4_WRITE_LT:
spin_lock(&fp->fi_lock);
@@ -7584,7 +7584,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
if (nf)
get_lock_access(lock_stp, NFS4_SHARE_ACCESS_WRITE);
spin_unlock(&fp->fi_lock);
- fl_type = F_WRLCK;
+ type = F_WRLCK;
break;
default:
status = nfserr_inval;
@@ -7604,7 +7604,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
* on those filesystems:
*/
if (!exportfs_lock_op_is_async(sb->s_export_op))
- fl_flags &= ~FL_SLEEP;
+ flags &= ~FL_SLEEP;
nbl = find_or_allocate_block(lock_sop, &fp->fi_fhandle, nn);
if (!nbl) {
@@ -7614,11 +7614,11 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
}
file_lock = &nbl->nbl_lock;
- file_lock->fl_type = fl_type;
- file_lock->fl_owner = (fl_owner_t)lockowner(nfs4_get_stateowner(&lock_sop->lo_owner));
- file_lock->fl_pid = current->tgid;
- file_lock->fl_file = nf->nf_file;
- file_lock->fl_flags = fl_flags;
+ file_lock->c.flc_type = type;
+ file_lock->c.flc_owner = (fl_owner_t)lockowner(nfs4_get_stateowner(&lock_sop->lo_owner));
+ file_lock->c.flc_pid = current->tgid;
+ file_lock->c.flc_file = nf->nf_file;
+ file_lock->c.flc_flags = flags;
file_lock->fl_lmops = &nfsd_posix_mng_ops;
file_lock->fl_start = lock->lk_offset;
file_lock->fl_end = last_byte_offset(lock->lk_offset, lock->lk_length);
@@ -7631,7 +7631,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
goto out;
}
- if (fl_flags & FL_SLEEP) {
+ if (flags & FL_SLEEP) {
nbl->nbl_time = ktime_get_boottime_seconds();
spin_lock(&nn->blocked_locks_lock);
list_add_tail(&nbl->nbl_list, &lock_sop->lo_blocked);
@@ -7668,7 +7668,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
out:
if (nbl) {
/* dequeue it if we queued it before */
- if (fl_flags & FL_SLEEP) {
+ if (flags & FL_SLEEP) {
spin_lock(&nn->blocked_locks_lock);
if (!list_empty(&nbl->nbl_list) &&
!list_empty(&nbl->nbl_lru)) {
@@ -7736,9 +7736,9 @@ static __be32 nfsd_test_lock(struct svc_rqst *rqstp, struct svc_fh *fhp, struct
err = nfserrno(nfsd_open_break_lease(inode, NFSD_MAY_READ));
if (err)
goto out;
- lock->fl_file = nf->nf_file;
+ lock->c.flc_file = nf->nf_file;
err = nfserrno(vfs_test_lock(nf->nf_file, lock));
- lock->fl_file = NULL;
+ lock->c.flc_file = NULL;
out:
inode_unlock(inode);
nfsd_file_put(nf);
@@ -7783,11 +7783,11 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
switch (lockt->lt_type) {
case NFS4_READ_LT:
case NFS4_READW_LT:
- file_lock->fl_type = F_RDLCK;
+ file_lock->c.flc_type = F_RDLCK;
break;
case NFS4_WRITE_LT:
case NFS4_WRITEW_LT:
- file_lock->fl_type = F_WRLCK;
+ file_lock->c.flc_type = F_WRLCK;
break;
default:
dprintk("NFSD: nfs4_lockt: bad lock type!\n");
@@ -7797,9 +7797,9 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
lo = find_lockowner_str(cstate->clp, &lockt->lt_owner);
if (lo)
- file_lock->fl_owner = (fl_owner_t)lo;
- file_lock->fl_pid = current->tgid;
- file_lock->fl_flags = FL_POSIX;
+ file_lock->c.flc_owner = (fl_owner_t)lo;
+ file_lock->c.flc_pid = current->tgid;
+ file_lock->c.flc_flags = FL_POSIX;
file_lock->fl_start = lockt->lt_offset;
file_lock->fl_end = last_byte_offset(lockt->lt_offset, lockt->lt_length);
@@ -7810,7 +7810,7 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
if (status)
goto out;
- if (file_lock->fl_type != F_UNLCK) {
+ if (file_lock->c.flc_type != F_UNLCK) {
status = nfserr_denied;
nfs4_set_lock_denied(file_lock, &lockt->lt_denied);
}
@@ -7866,11 +7866,11 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
goto put_file;
}
- file_lock->fl_type = F_UNLCK;
- file_lock->fl_owner = (fl_owner_t)lockowner(nfs4_get_stateowner(stp->st_stateowner));
- file_lock->fl_pid = current->tgid;
- file_lock->fl_file = nf->nf_file;
- file_lock->fl_flags = FL_POSIX;
+ file_lock->c.flc_type = F_UNLCK;
+ file_lock->c.flc_owner = (fl_owner_t)lockowner(nfs4_get_stateowner(stp->st_stateowner));
+ file_lock->c.flc_pid = current->tgid;
+ file_lock->c.flc_file = nf->nf_file;
+ file_lock->c.flc_flags = FL_POSIX;
file_lock->fl_lmops = &nfsd_posix_mng_ops;
file_lock->fl_start = locku->lu_offset;
@@ -7927,8 +7927,8 @@ check_for_locks(struct nfs4_file *fp, struct nfs4_lockowner *lowner)
if (flctx && !list_empty_careful(&flctx->flc_posix)) {
spin_lock(&flctx->flc_lock);
- list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
- if (fl->fl_owner == (fl_owner_t)lowner) {
+ for_each_file_lock(fl, &flctx->flc_posix) {
+ if (fl->c.flc_owner == (fl_owner_t)lowner) {
status = true;
break;
}
@@ -8451,15 +8451,17 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct inode *inode)
{
__be32 status;
struct file_lock_context *ctx;
- struct file_lock *fl;
+ struct file_lease *fl;
struct nfs4_delegation *dp;
ctx = locks_inode_context(inode);
if (!ctx)
return 0;
spin_lock(&ctx->flc_lock);
- list_for_each_entry(fl, &ctx->flc_lease, fl_list) {
- if (fl->fl_flags == FL_LAYOUT)
+ for_each_file_lock(fl, &ctx->flc_lease) {
+ unsigned char type = fl->c.flc_type;
+
+ if (fl->c.flc_flags == FL_LAYOUT)
continue;
if (fl->fl_lmops != &nfsd_lease_mng_ops) {
/*
@@ -8467,12 +8469,12 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct inode *inode)
* we are done; there isn't any write delegation
* on this inode
*/
- if (fl->fl_type == F_RDLCK)
+ if (type == F_RDLCK)
break;
goto break_lease;
}
- if (fl->fl_type == F_WRLCK) {
- dp = fl->fl_owner;
+ if (type == F_WRLCK) {
+ dp = fl->c.flc_owner;
if (dp->dl_recall.cb_clp == *(rqstp->rq_lease_breaker)) {
spin_unlock(&ctx->flc_lock);
return 0;
diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c
index f37174e79fad..6de944818c56 100644
--- a/fs/ocfs2/locks.c
+++ b/fs/ocfs2/locks.c
@@ -27,7 +27,7 @@ static int ocfs2_do_flock(struct file *file, struct inode *inode,
struct ocfs2_file_private *fp = file->private_data;
struct ocfs2_lock_res *lockres = &fp->fp_flock;
- if (fl->fl_type == F_WRLCK)
+ if (lock_is_write(fl))
level = 1;
if (!IS_SETLKW(cmd))
trylock = 1;
@@ -53,8 +53,8 @@ static int ocfs2_do_flock(struct file *file, struct inode *inode,
*/
locks_init_lock(&request);
- request.fl_type = F_UNLCK;
- request.fl_flags = FL_FLOCK;
+ request.c.flc_type = F_UNLCK;
+ request.c.flc_flags = FL_FLOCK;
locks_lock_file_wait(file, &request);
ocfs2_file_unlock(file);
@@ -100,14 +100,14 @@ int ocfs2_flock(struct file *file, int cmd, struct file_lock *fl)
struct inode *inode = file->f_mapping->host;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
- if (!(fl->fl_flags & FL_FLOCK))
+ if (!(fl->c.flc_flags & FL_FLOCK))
return -ENOLCK;
if ((osb->s_mount_opt & OCFS2_MOUNT_LOCALFLOCKS) ||
ocfs2_mount_local(osb))
return locks_lock_file_wait(file, fl);
- if (fl->fl_type == F_UNLCK)
+ if (lock_is_unlock(fl))
return ocfs2_do_funlock(file, cmd, fl);
else
return ocfs2_do_flock(file, inode, cmd, fl);
@@ -118,7 +118,7 @@ int ocfs2_lock(struct file *file, int cmd, struct file_lock *fl)
struct inode *inode = file->f_mapping->host;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
- if (!(fl->fl_flags & FL_POSIX))
+ if (!(fl->c.flc_flags & FL_POSIX))
return -ENOLCK;
return ocfs2_plock(osb->cconn, OCFS2_I(inode)->ip_blkno, file, cmd, fl);
diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
index 9b76ee66aeb2..c11406cd87a8 100644
--- a/fs/ocfs2/stack_user.c
+++ b/fs/ocfs2/stack_user.c
@@ -744,7 +744,7 @@ static int user_plock(struct ocfs2_cluster_connection *conn,
return dlm_posix_cancel(conn->cc_lockspace, ino, file, fl);
else if (IS_GETLK(cmd))
return dlm_posix_get(conn->cc_lockspace, ino, file, fl);
- else if (fl->fl_type == F_UNLCK)
+ else if (lock_is_unlock(fl))
return dlm_posix_unlock(conn->cc_lockspace, ino, file, fl);
else
return dlm_posix_lock(conn->cc_lockspace, ino, file, cmd, fl);
diff --git a/fs/open.c b/fs/open.c
index a84d21e55c39..0a73afe04d34 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -1364,7 +1364,7 @@ struct file *filp_open(const char *filename, int flags, umode_t mode)
{
struct filename *name = getname_kernel(filename);
struct file *file = ERR_CAST(name);
-
+
if (!IS_ERR(name)) {
file = file_open_name(name, flags, mode);
putname(name);
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index e1af20893ebe..6bf587d1a9b8 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -786,12 +786,12 @@ struct posix_acl *posix_acl_from_xattr(struct user_namespace *userns,
return ERR_PTR(count);
if (count == 0)
return NULL;
-
+
acl = posix_acl_alloc(count, GFP_NOFS);
if (!acl)
return ERR_PTR(-ENOMEM);
acl_e = acl->a_entries;
-
+
for (end = entry + count; entry != end; acl_e++, entry++) {
acl_e->e_tag = le16_to_cpu(entry->e_tag);
acl_e->e_perm = le16_to_cpu(entry->e_perm);
diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c
index 0c269396ae15..fb368b191eef 100644
--- a/fs/smb/client/cifsfs.c
+++ b/fs/smb/client/cifsfs.c
@@ -1085,7 +1085,7 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int whence)
}
static int
-cifs_setlease(struct file *file, int arg, struct file_lock **lease, void **priv)
+cifs_setlease(struct file *file, int arg, struct file_lease **lease, void **priv)
{
/*
* Note that this is called by vfs setlease with i_lock held to
@@ -1094,9 +1094,6 @@ cifs_setlease(struct file *file, int arg, struct file_lock **lease, void **priv)
struct inode *inode = file_inode(file);
struct cifsFileInfo *cfile = file->private_data;
- if (!(S_ISREG(inode->i_mode)))
- return -EINVAL;
-
/* Check if file is oplocked if this is request for new lease */
if (arg == F_UNLCK ||
((arg == F_RDLCK) && CIFS_CACHE_READ(CIFS_I(inode))) ||
diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c
index 01e89070df5a..5eb83bafc7fd 100644
--- a/fs/smb/client/cifssmb.c
+++ b/fs/smb/client/cifssmb.c
@@ -2066,20 +2066,20 @@ CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
parm_data = (struct cifs_posix_lock *)
((char *)&pSMBr->hdr.Protocol + data_offset);
if (parm_data->lock_type == cpu_to_le16(CIFS_UNLCK))
- pLockData->fl_type = F_UNLCK;
+ pLockData->c.flc_type = F_UNLCK;
else {
if (parm_data->lock_type ==
cpu_to_le16(CIFS_RDLCK))
- pLockData->fl_type = F_RDLCK;
+ pLockData->c.flc_type = F_RDLCK;
else if (parm_data->lock_type ==
cpu_to_le16(CIFS_WRLCK))
- pLockData->fl_type = F_WRLCK;
+ pLockData->c.flc_type = F_WRLCK;
pLockData->fl_start = le64_to_cpu(parm_data->start);
pLockData->fl_end = pLockData->fl_start +
(le64_to_cpu(parm_data->length) ?
le64_to_cpu(parm_data->length) - 1 : 0);
- pLockData->fl_pid = -le32_to_cpu(parm_data->pid);
+ pLockData->c.flc_pid = -le32_to_cpu(parm_data->pid);
}
}
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index f391c9b803d8..c3b8e7091a4d 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -1315,20 +1315,20 @@ cifs_lock_test(struct cifsFileInfo *cfile, __u64 offset, __u64 length,
down_read(&cinode->lock_sem);
exist = cifs_find_lock_conflict(cfile, offset, length, type,
- flock->fl_flags, &conf_lock,
+ flock->c.flc_flags, &conf_lock,
CIFS_LOCK_OP);
if (exist) {
flock->fl_start = conf_lock->offset;
flock->fl_end = conf_lock->offset + conf_lock->length - 1;
- flock->fl_pid = conf_lock->pid;
+ flock->c.flc_pid = conf_lock->pid;
if (conf_lock->type & server->vals->shared_lock_type)
- flock->fl_type = F_RDLCK;
+ flock->c.flc_type = F_RDLCK;
else
- flock->fl_type = F_WRLCK;
+ flock->c.flc_type = F_WRLCK;
} else if (!cinode->can_cache_brlcks)
rc = 1;
else
- flock->fl_type = F_UNLCK;
+ flock->c.flc_type = F_UNLCK;
up_read(&cinode->lock_sem);
return rc;
@@ -1404,16 +1404,16 @@ cifs_posix_lock_test(struct file *file, struct file_lock *flock)
{
int rc = 0;
struct cifsInodeInfo *cinode = CIFS_I(file_inode(file));
- unsigned char saved_type = flock->fl_type;
+ unsigned char saved_type = flock->c.flc_type;
- if ((flock->fl_flags & FL_POSIX) == 0)
+ if ((flock->c.flc_flags & FL_POSIX) == 0)
return 1;
down_read(&cinode->lock_sem);
posix_test_lock(file, flock);
- if (flock->fl_type == F_UNLCK && !cinode->can_cache_brlcks) {
- flock->fl_type = saved_type;
+ if (lock_is_unlock(flock) && !cinode->can_cache_brlcks) {
+ flock->c.flc_type = saved_type;
rc = 1;
}
@@ -1434,7 +1434,7 @@ cifs_posix_lock_set(struct file *file, struct file_lock *flock)
struct cifsInodeInfo *cinode = CIFS_I(file_inode(file));
int rc = FILE_LOCK_DEFERRED + 1;
- if ((flock->fl_flags & FL_POSIX) == 0)
+ if ((flock->c.flc_flags & FL_POSIX) == 0)
return rc;
cifs_down_write(&cinode->lock_sem);
@@ -1584,7 +1584,9 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
el = locks_to_send.next;
spin_lock(&flctx->flc_lock);
- list_for_each_entry(flock, &flctx->flc_posix, fl_list) {
+ for_each_file_lock(flock, &flctx->flc_posix) {
+ unsigned char ftype = flock->c.flc_type;
+
if (el == &locks_to_send) {
/*
* The list ended. We don't have enough allocated
@@ -1594,12 +1596,12 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
break;
}
length = cifs_flock_len(flock);
- if (flock->fl_type == F_RDLCK || flock->fl_type == F_SHLCK)
+ if (ftype == F_RDLCK || ftype == F_SHLCK)
type = CIFS_RDLCK;
else
type = CIFS_WRLCK;
lck = list_entry(el, struct lock_to_push, llist);
- lck->pid = hash_lockowner(flock->fl_owner);
+ lck->pid = hash_lockowner(flock->c.flc_owner);
lck->netfid = cfile->fid.netfid;
lck->length = length;
lck->type = type;
@@ -1666,42 +1668,43 @@ static void
cifs_read_flock(struct file_lock *flock, __u32 *type, int *lock, int *unlock,
bool *wait_flag, struct TCP_Server_Info *server)
{
- if (flock->fl_flags & FL_POSIX)
+ if (flock->c.flc_flags & FL_POSIX)
cifs_dbg(FYI, "Posix\n");
- if (flock->fl_flags & FL_FLOCK)
+ if (flock->c.flc_flags & FL_FLOCK)
cifs_dbg(FYI, "Flock\n");
- if (flock->fl_flags & FL_SLEEP) {
+ if (flock->c.flc_flags & FL_SLEEP) {
cifs_dbg(FYI, "Blocking lock\n");
*wait_flag = true;
}
- if (flock->fl_flags & FL_ACCESS)
+ if (flock->c.flc_flags & FL_ACCESS)
cifs_dbg(FYI, "Process suspended by mandatory locking - not implemented yet\n");
- if (flock->fl_flags & FL_LEASE)
+ if (flock->c.flc_flags & FL_LEASE)
cifs_dbg(FYI, "Lease on file - not implemented yet\n");
- if (flock->fl_flags &
+ if (flock->c.flc_flags &
(~(FL_POSIX | FL_FLOCK | FL_SLEEP |
FL_ACCESS | FL_LEASE | FL_CLOSE | FL_OFDLCK)))
- cifs_dbg(FYI, "Unknown lock flags 0x%x\n", flock->fl_flags);
+ cifs_dbg(FYI, "Unknown lock flags 0x%x\n",
+ flock->c.flc_flags);
*type = server->vals->large_lock_type;
- if (flock->fl_type == F_WRLCK) {
+ if (lock_is_write(flock)) {
cifs_dbg(FYI, "F_WRLCK\n");
*type |= server->vals->exclusive_lock_type;
*lock = 1;
- } else if (flock->fl_type == F_UNLCK) {
+ } else if (lock_is_unlock(flock)) {
cifs_dbg(FYI, "F_UNLCK\n");
*type |= server->vals->unlock_lock_type;
*unlock = 1;
/* Check if unlock includes more than one lock range */
- } else if (flock->fl_type == F_RDLCK) {
+ } else if (lock_is_read(flock)) {
cifs_dbg(FYI, "F_RDLCK\n");
*type |= server->vals->shared_lock_type;
*lock = 1;
- } else if (flock->fl_type == F_EXLCK) {
+ } else if (flock->c.flc_type == F_EXLCK) {
cifs_dbg(FYI, "F_EXLCK\n");
*type |= server->vals->exclusive_lock_type;
*lock = 1;
- } else if (flock->fl_type == F_SHLCK) {
+ } else if (flock->c.flc_type == F_SHLCK) {
cifs_dbg(FYI, "F_SHLCK\n");
*type |= server->vals->shared_lock_type;
*lock = 1;
@@ -1733,7 +1736,7 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u32 type,
else
posix_lock_type = CIFS_WRLCK;
rc = CIFSSMBPosixLock(xid, tcon, netfid,
- hash_lockowner(flock->fl_owner),
+ hash_lockowner(flock->c.flc_owner),
flock->fl_start, length, flock,
posix_lock_type, wait_flag);
return rc;
@@ -1750,7 +1753,7 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u32 type,
if (rc == 0) {
rc = server->ops->mand_lock(xid, cfile, flock->fl_start, length,
type, 0, 1, false);
- flock->fl_type = F_UNLCK;
+ flock->c.flc_type = F_UNLCK;
if (rc != 0)
cifs_dbg(VFS, "Error unlocking previously locked range %d during test of lock\n",
rc);
@@ -1758,7 +1761,7 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u32 type,
}
if (type & server->vals->shared_lock_type) {
- flock->fl_type = F_WRLCK;
+ flock->c.flc_type = F_WRLCK;
return 0;
}
@@ -1770,12 +1773,12 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u32 type,
if (rc == 0) {
rc = server->ops->mand_lock(xid, cfile, flock->fl_start, length,
type | server->vals->shared_lock_type, 0, 1, false);
- flock->fl_type = F_RDLCK;
+ flock->c.flc_type = F_RDLCK;
if (rc != 0)
cifs_dbg(VFS, "Error unlocking previously locked range %d during test of lock\n",
rc);
} else
- flock->fl_type = F_WRLCK;
+ flock->c.flc_type = F_WRLCK;
return 0;
}
@@ -1943,7 +1946,7 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
posix_lock_type = CIFS_UNLCK;
rc = CIFSSMBPosixLock(xid, tcon, cfile->fid.netfid,
- hash_lockowner(flock->fl_owner),
+ hash_lockowner(flock->c.flc_owner),
flock->fl_start, length,
NULL, posix_lock_type, wait_flag);
goto out;
@@ -1953,7 +1956,7 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
struct cifsLockInfo *lock;
lock = cifs_lock_init(flock->fl_start, length, type,
- flock->fl_flags);
+ flock->c.flc_flags);
if (!lock)
return -ENOMEM;
@@ -1992,7 +1995,7 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
rc = server->ops->mand_unlock_range(cfile, flock, xid);
out:
- if ((flock->fl_flags & FL_POSIX) || (flock->fl_flags & FL_FLOCK)) {
+ if ((flock->c.flc_flags & FL_POSIX) || (flock->c.flc_flags & FL_FLOCK)) {
/*
* If this is a request to remove all locks because we
* are closing the file, it doesn't matter if the
@@ -2001,7 +2004,7 @@ out:
*/
if (rc) {
cifs_dbg(VFS, "%s failed rc=%d\n", __func__, rc);
- if (!(flock->fl_flags & FL_CLOSE))
+ if (!(flock->c.flc_flags & FL_CLOSE))
return rc;
}
rc = locks_lock_file_wait(file, flock);
@@ -2022,7 +2025,7 @@ int cifs_flock(struct file *file, int cmd, struct file_lock *fl)
xid = get_xid();
- if (!(fl->fl_flags & FL_FLOCK)) {
+ if (!(fl->c.flc_flags & FL_FLOCK)) {
rc = -ENOLCK;
free_xid(xid);
return rc;
@@ -2073,7 +2076,8 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
xid = get_xid();
cifs_dbg(FYI, "%s: %pD2 cmd=0x%x type=0x%x flags=0x%x r=%lld:%lld\n", __func__, file, cmd,
- flock->fl_flags, flock->fl_type, (long long)flock->fl_start,
+ flock->c.flc_flags, flock->c.flc_type,
+ (long long)flock->fl_start,
(long long)flock->fl_end);
cfile = (struct cifsFileInfo *)file->private_data;
@@ -2954,7 +2958,7 @@ skip_write:
continue;
}
- folio_batch_release(&fbatch);
+ folio_batch_release(&fbatch);
cond_resched();
} while (wbc->nr_to_write > 0);
diff --git a/fs/smb/client/smb2file.c b/fs/smb/client/smb2file.c
index e0ee96d69d49..c23478ab1cf8 100644
--- a/fs/smb/client/smb2file.c
+++ b/fs/smb/client/smb2file.c
@@ -228,7 +228,7 @@ smb2_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,
* flock and OFD lock are associated with an open
* file description, not the process.
*/
- if (!(flock->fl_flags & (FL_FLOCK | FL_OFDLCK)))
+ if (!(flock->c.flc_flags & (FL_FLOCK | FL_OFDLCK)))
continue;
if (cinode->can_cache_brlcks) {
/*
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 0c97d3c86072..089527a8b4ff 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -6764,10 +6764,10 @@ struct file_lock *smb_flock_init(struct file *f)
locks_init_lock(fl);
- fl->fl_owner = f;
- fl->fl_pid = current->tgid;
- fl->fl_file = f;
- fl->fl_flags = FL_POSIX;
+ fl->c.flc_owner = f;
+ fl->c.flc_pid = current->tgid;
+ fl->c.flc_file = f;
+ fl->c.flc_flags = FL_POSIX;
fl->fl_ops = NULL;
fl->fl_lmops = NULL;
@@ -6784,30 +6784,30 @@ static int smb2_set_flock_flags(struct file_lock *flock, int flags)
case SMB2_LOCKFLAG_SHARED:
ksmbd_debug(SMB, "received shared request\n");
cmd = F_SETLKW;
- flock->fl_type = F_RDLCK;
- flock->fl_flags |= FL_SLEEP;
+ flock->c.flc_type = F_RDLCK;
+ flock->c.flc_flags |= FL_SLEEP;
break;
case SMB2_LOCKFLAG_EXCLUSIVE:
ksmbd_debug(SMB, "received exclusive request\n");
cmd = F_SETLKW;
- flock->fl_type = F_WRLCK;
- flock->fl_flags |= FL_SLEEP;
+ flock->c.flc_type = F_WRLCK;
+ flock->c.flc_flags |= FL_SLEEP;
break;
case SMB2_LOCKFLAG_SHARED | SMB2_LOCKFLAG_FAIL_IMMEDIATELY:
ksmbd_debug(SMB,
"received shared & fail immediately request\n");
cmd = F_SETLK;
- flock->fl_type = F_RDLCK;
+ flock->c.flc_type = F_RDLCK;
break;
case SMB2_LOCKFLAG_EXCLUSIVE | SMB2_LOCKFLAG_FAIL_IMMEDIATELY:
ksmbd_debug(SMB,
"received exclusive & fail immediately request\n");
cmd = F_SETLK;
- flock->fl_type = F_WRLCK;
+ flock->c.flc_type = F_WRLCK;
break;
case SMB2_LOCKFLAG_UNLOCK:
ksmbd_debug(SMB, "received unlock request\n");
- flock->fl_type = F_UNLCK;
+ flock->c.flc_type = F_UNLCK;
cmd = F_SETLK;
break;
}
@@ -6845,13 +6845,13 @@ static void smb2_remove_blocked_lock(void **argv)
struct file_lock *flock = (struct file_lock *)argv[0];
ksmbd_vfs_posix_lock_unblock(flock);
- wake_up(&flock->fl_wait);
+ locks_wake_up(flock);
}
static inline bool lock_defer_pending(struct file_lock *fl)
{
/* check pending lock waiters */
- return waitqueue_active(&fl->fl_wait);
+ return waitqueue_active(&fl->c.flc_wait);
}
/**
@@ -6942,8 +6942,8 @@ int smb2_lock(struct ksmbd_work *work)
list_for_each_entry(cmp_lock, &lock_list, llist) {
if (cmp_lock->fl->fl_start <= flock->fl_start &&
cmp_lock->fl->fl_end >= flock->fl_end) {
- if (cmp_lock->fl->fl_type != F_UNLCK &&
- flock->fl_type != F_UNLCK) {
+ if (cmp_lock->fl->c.flc_type != F_UNLCK &&
+ flock->c.flc_type != F_UNLCK) {
pr_err("conflict two locks in one request\n");
err = -EINVAL;
locks_free_lock(flock);
@@ -6991,12 +6991,12 @@ int smb2_lock(struct ksmbd_work *work)
list_for_each_entry(conn, &conn_list, conns_list) {
spin_lock(&conn->llist_lock);
list_for_each_entry_safe(cmp_lock, tmp2, &conn->lock_list, clist) {
- if (file_inode(cmp_lock->fl->fl_file) !=
- file_inode(smb_lock->fl->fl_file))
+ if (file_inode(cmp_lock->fl->c.flc_file) !=
+ file_inode(smb_lock->fl->c.flc_file))
continue;
- if (smb_lock->fl->fl_type == F_UNLCK) {
- if (cmp_lock->fl->fl_file == smb_lock->fl->fl_file &&
+ if (lock_is_unlock(smb_lock->fl)) {
+ if (cmp_lock->fl->c.flc_file == smb_lock->fl->c.flc_file &&
cmp_lock->start == smb_lock->start &&
cmp_lock->end == smb_lock->end &&
!lock_defer_pending(cmp_lock->fl)) {
@@ -7013,7 +7013,7 @@ int smb2_lock(struct ksmbd_work *work)
continue;
}
- if (cmp_lock->fl->fl_file == smb_lock->fl->fl_file) {
+ if (cmp_lock->fl->c.flc_file == smb_lock->fl->c.flc_file) {
if (smb_lock->flags & SMB2_LOCKFLAG_SHARED)
continue;
} else {
@@ -7055,7 +7055,7 @@ int smb2_lock(struct ksmbd_work *work)
}
up_read(&conn_list_lock);
out_check_cl:
- if (smb_lock->fl->fl_type == F_UNLCK && nolock) {
+ if (lock_is_unlock(smb_lock->fl) && nolock) {
pr_err("Try to unlock nolocked range\n");
rsp->hdr.Status = STATUS_RANGE_NOT_LOCKED;
goto out;
@@ -7179,7 +7179,7 @@ out:
struct file_lock *rlock = NULL;
rlock = smb_flock_init(filp);
- rlock->fl_type = F_UNLCK;
+ rlock->c.flc_type = F_UNLCK;
rlock->fl_start = smb_lock->start;
rlock->fl_end = smb_lock->end;
diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c
index a6961bfe3e13..c487e834331a 100644
--- a/fs/smb/server/vfs.c
+++ b/fs/smb/server/vfs.c
@@ -337,18 +337,18 @@ static int check_lock_range(struct file *filp, loff_t start, loff_t end,
return 0;
spin_lock(&ctx->flc_lock);
- list_for_each_entry(flock, &ctx->flc_posix, fl_list) {
+ for_each_file_lock(flock, &ctx->flc_posix) {
/* check conflict locks */
if (flock->fl_end >= start && end >= flock->fl_start) {
- if (flock->fl_type == F_RDLCK) {
+ if (lock_is_read(flock)) {
if (type == WRITE) {
pr_err("not allow write by shared lock\n");
error = 1;
goto out;
}
- } else if (flock->fl_type == F_WRLCK) {
+ } else if (lock_is_write(flock)) {
/* check owner in lock */
- if (flock->fl_file != filp) {
+ if (flock->c.flc_file != filp) {
error = 1;
pr_err("not allow rw access by exclusive lock from other opens\n");
goto out;
@@ -1837,13 +1837,13 @@ int ksmbd_vfs_copy_file_ranges(struct ksmbd_work *work,
void ksmbd_vfs_posix_lock_wait(struct file_lock *flock)
{
- wait_event(flock->fl_wait, !flock->fl_blocker);
+ wait_event(flock->c.flc_wait, !flock->c.flc_blocker);
}
int ksmbd_vfs_posix_lock_wait_timeout(struct file_lock *flock, long timeout)
{
- return wait_event_interruptible_timeout(flock->fl_wait,
- !flock->fl_blocker,
+ return wait_event_interruptible_timeout(flock->c.flc_wait,
+ !flock->c.flc_blocker,
timeout);
}