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-rw-r--r--fs/xfs/linux-2.6/kmem.c4
-rw-r--r--fs/xfs/linux-2.6/xfs_acl.c73
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c2
-rw-r--r--fs/xfs/linux-2.6/xfs_file.c1
-rw-r--r--fs/xfs/linux-2.6/xfs_linux.h2
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c2
-rw-r--r--fs/xfs/xfs_acl.h4
-rw-r--r--fs/xfs/xfs_iget.c144
-rw-r--r--fs/xfs/xfs_inode.h22
9 files changed, 87 insertions, 167 deletions
diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c
index 1cd3b55ee3d2..2d3f90afe5f1 100644
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/linux-2.6/kmem.c
@@ -53,7 +53,7 @@ kmem_alloc(size_t size, unsigned int __nocast flags)
printk(KERN_ERR "XFS: possible memory allocation "
"deadlock in %s (mode:0x%x)\n",
__func__, lflags);
- congestion_wait(WRITE, HZ/50);
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
} while (1);
}
@@ -130,7 +130,7 @@ kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags)
printk(KERN_ERR "XFS: possible memory allocation "
"deadlock in %s (mode:0x%x)\n",
__func__, lflags);
- congestion_wait(WRITE, HZ/50);
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
} while (1);
}
diff --git a/fs/xfs/linux-2.6/xfs_acl.c b/fs/xfs/linux-2.6/xfs_acl.c
index 1e9d1246eebc..b23a54506446 100644
--- a/fs/xfs/linux-2.6/xfs_acl.c
+++ b/fs/xfs/linux-2.6/xfs_acl.c
@@ -25,14 +25,10 @@
#include <linux/posix_acl_xattr.h>
-#define XFS_ACL_NOT_CACHED ((void *)-1)
-
/*
* Locking scheme:
* - all ACL updates are protected by inode->i_mutex, which is taken before
* calling into this file.
- * - access and updates to the ip->i_acl and ip->i_default_acl pointers are
- * protected by inode->i_lock.
*/
STATIC struct posix_acl *
@@ -102,59 +98,35 @@ xfs_acl_to_disk(struct xfs_acl *aclp, const struct posix_acl *acl)
}
}
-/*
- * Update the cached ACL pointer in the inode.
- *
- * Because we don't hold any locks while reading/writing the attribute
- * from/to disk another thread could have raced and updated the cached
- * ACL value before us. In that case we release the previous cached value
- * and update it with our new value.
- */
-STATIC void
-xfs_update_cached_acl(struct inode *inode, struct posix_acl **p_acl,
- struct posix_acl *acl)
-{
- spin_lock(&inode->i_lock);
- if (*p_acl && *p_acl != XFS_ACL_NOT_CACHED)
- posix_acl_release(*p_acl);
- *p_acl = posix_acl_dup(acl);
- spin_unlock(&inode->i_lock);
-}
-
struct posix_acl *
xfs_get_acl(struct inode *inode, int type)
{
struct xfs_inode *ip = XFS_I(inode);
- struct posix_acl *acl = NULL, **p_acl;
+ struct posix_acl *acl;
struct xfs_acl *xfs_acl;
int len = sizeof(struct xfs_acl);
char *ea_name;
int error;
+ acl = get_cached_acl(inode, type);
+ if (acl != ACL_NOT_CACHED)
+ return acl;
+
switch (type) {
case ACL_TYPE_ACCESS:
ea_name = SGI_ACL_FILE;
- p_acl = &ip->i_acl;
break;
case ACL_TYPE_DEFAULT:
ea_name = SGI_ACL_DEFAULT;
- p_acl = &ip->i_default_acl;
break;
default:
- return ERR_PTR(-EINVAL);
+ BUG();
}
- spin_lock(&inode->i_lock);
- if (*p_acl != XFS_ACL_NOT_CACHED)
- acl = posix_acl_dup(*p_acl);
- spin_unlock(&inode->i_lock);
-
/*
* If we have a cached ACLs value just return it, not need to
* go out to the disk.
*/
- if (acl)
- return acl;
xfs_acl = kzalloc(sizeof(struct xfs_acl), GFP_KERNEL);
if (!xfs_acl)
@@ -165,7 +137,7 @@ xfs_get_acl(struct inode *inode, int type)
/*
* If the attribute doesn't exist make sure we have a negative
* cache entry, for any other error assume it is transient and
- * leave the cache entry as XFS_ACL_NOT_CACHED.
+ * leave the cache entry as ACL_NOT_CACHED.
*/
if (error == -ENOATTR) {
acl = NULL;
@@ -179,7 +151,7 @@ xfs_get_acl(struct inode *inode, int type)
goto out;
out_update_cache:
- xfs_update_cached_acl(inode, p_acl, acl);
+ set_cached_acl(inode, type, acl);
out:
kfree(xfs_acl);
return acl;
@@ -189,7 +161,6 @@ STATIC int
xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
{
struct xfs_inode *ip = XFS_I(inode);
- struct posix_acl **p_acl;
char *ea_name;
int error;
@@ -199,13 +170,11 @@ xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
switch (type) {
case ACL_TYPE_ACCESS:
ea_name = SGI_ACL_FILE;
- p_acl = &ip->i_acl;
break;
case ACL_TYPE_DEFAULT:
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
ea_name = SGI_ACL_DEFAULT;
- p_acl = &ip->i_default_acl;
break;
default:
return -EINVAL;
@@ -242,7 +211,7 @@ xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
}
if (!error)
- xfs_update_cached_acl(inode, p_acl, acl);
+ set_cached_acl(inode, type, acl);
return error;
}
@@ -384,30 +353,6 @@ xfs_acl_chmod(struct inode *inode)
return error;
}
-void
-xfs_inode_init_acls(struct xfs_inode *ip)
-{
- /*
- * No need for locking, inode is not live yet.
- */
- ip->i_acl = XFS_ACL_NOT_CACHED;
- ip->i_default_acl = XFS_ACL_NOT_CACHED;
-}
-
-void
-xfs_inode_clear_acls(struct xfs_inode *ip)
-{
- /*
- * No need for locking here, the inode is not live anymore
- * and just about to be freed.
- */
- if (ip->i_acl != XFS_ACL_NOT_CACHED)
- posix_acl_release(ip->i_acl);
- if (ip->i_default_acl != XFS_ACL_NOT_CACHED)
- posix_acl_release(ip->i_default_acl);
-}
-
-
/*
* System xattr handlers.
*
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 178c20c13e83..965df1227d64 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -412,7 +412,7 @@ _xfs_buf_lookup_pages(
XFS_STATS_INC(xb_page_retries);
xfsbufd_wakeup(0, gfp_mask);
- congestion_wait(WRITE, HZ/50);
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
goto retry;
}
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index f4e255441574..0542fd507649 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -41,7 +41,6 @@
#include "xfs_ioctl.h"
#include <linux/dcache.h>
-#include <linux/smp_lock.h>
static struct vm_operations_struct xfs_file_vm_ops;
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index f65a53f8752f..6127e24062d0 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -24,7 +24,7 @@
* XFS_BIG_BLKNOS needs block layer disk addresses to be 64 bits.
* XFS_BIG_INUMS requires XFS_BIG_BLKNOS to be set.
*/
-#if defined(CONFIG_LBD) || (BITS_PER_LONG == 64)
+#if defined(CONFIG_LBDAF) || (BITS_PER_LONG == 64)
# define XFS_BIG_BLKNOS 1
# define XFS_BIG_INUMS 1
#else
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 2e09efbca8db..a220d36f789b 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -616,7 +616,7 @@ xfs_max_file_offset(
*/
#if BITS_PER_LONG == 32
-# if defined(CONFIG_LBD)
+# if defined(CONFIG_LBDAF)
ASSERT(sizeof(sector_t) == 8);
pagefactor = PAGE_CACHE_SIZE;
bitshift = BITS_PER_LONG;
diff --git a/fs/xfs/xfs_acl.h b/fs/xfs/xfs_acl.h
index 63dc1f2efad5..947b150df8ed 100644
--- a/fs/xfs/xfs_acl.h
+++ b/fs/xfs/xfs_acl.h
@@ -46,8 +46,6 @@ extern int xfs_check_acl(struct inode *inode, int mask);
extern struct posix_acl *xfs_get_acl(struct inode *inode, int type);
extern int xfs_inherit_acl(struct inode *inode, struct posix_acl *default_acl);
extern int xfs_acl_chmod(struct inode *inode);
-extern void xfs_inode_init_acls(struct xfs_inode *ip);
-extern void xfs_inode_clear_acls(struct xfs_inode *ip);
extern int posix_acl_access_exists(struct inode *inode);
extern int posix_acl_default_exists(struct inode *inode);
@@ -57,8 +55,6 @@ extern struct xattr_handler xfs_xattr_system_handler;
# define xfs_get_acl(inode, type) NULL
# define xfs_inherit_acl(inode, default_acl) 0
# define xfs_acl_chmod(inode) 0
-# define xfs_inode_init_acls(ip)
-# define xfs_inode_clear_acls(ip)
# define posix_acl_access_exists(inode) 0
# define posix_acl_default_exists(inode) 0
#endif /* CONFIG_XFS_POSIX_ACL */
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 76c540f719e4..34ec86923f7e 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -64,6 +64,10 @@ xfs_inode_alloc(
ip = kmem_zone_alloc(xfs_inode_zone, KM_SLEEP);
if (!ip)
return NULL;
+ if (inode_init_always(mp->m_super, VFS_I(ip))) {
+ kmem_zone_free(xfs_inode_zone, ip);
+ return NULL;
+ }
ASSERT(atomic_read(&ip->i_iocount) == 0);
ASSERT(atomic_read(&ip->i_pincount) == 0);
@@ -83,7 +87,6 @@ xfs_inode_alloc(
memset(&ip->i_d, 0, sizeof(xfs_icdinode_t));
ip->i_size = 0;
ip->i_new_size = 0;
- xfs_inode_init_acls(ip);
/*
* Initialize inode's trace buffers.
@@ -106,17 +109,6 @@ xfs_inode_alloc(
#ifdef XFS_DIR2_TRACE
ip->i_dir_trace = ktrace_alloc(XFS_DIR2_KTRACE_SIZE, KM_NOFS);
#endif
- /*
- * Now initialise the VFS inode. We do this after the xfs_inode
- * initialisation as internal failures will result in ->destroy_inode
- * being called and that will pass down through the reclaim path and
- * free the XFS inode. This path requires the XFS inode to already be
- * initialised. Hence if this call fails, the xfs_inode has already
- * been freed and we should not reference it at all in the error
- * handling.
- */
- if (!inode_init_always(mp->m_super, VFS_I(ip)))
- return NULL;
/* prevent anyone from using this yet */
VFS_I(ip)->i_state = I_NEW|I_LOCK;
@@ -124,6 +116,71 @@ xfs_inode_alloc(
return ip;
}
+STATIC void
+xfs_inode_free(
+ struct xfs_inode *ip)
+{
+ switch (ip->i_d.di_mode & S_IFMT) {
+ case S_IFREG:
+ case S_IFDIR:
+ case S_IFLNK:
+ xfs_idestroy_fork(ip, XFS_DATA_FORK);
+ break;
+ }
+
+ if (ip->i_afp)
+ xfs_idestroy_fork(ip, XFS_ATTR_FORK);
+
+#ifdef XFS_INODE_TRACE
+ ktrace_free(ip->i_trace);
+#endif
+#ifdef XFS_BMAP_TRACE
+ ktrace_free(ip->i_xtrace);
+#endif
+#ifdef XFS_BTREE_TRACE
+ ktrace_free(ip->i_btrace);
+#endif
+#ifdef XFS_RW_TRACE
+ ktrace_free(ip->i_rwtrace);
+#endif
+#ifdef XFS_ILOCK_TRACE
+ ktrace_free(ip->i_lock_trace);
+#endif
+#ifdef XFS_DIR2_TRACE
+ ktrace_free(ip->i_dir_trace);
+#endif
+
+ if (ip->i_itemp) {
+ /*
+ * Only if we are shutting down the fs will we see an
+ * inode still in the AIL. If it is there, we should remove
+ * it to prevent a use-after-free from occurring.
+ */
+ xfs_log_item_t *lip = &ip->i_itemp->ili_item;
+ struct xfs_ail *ailp = lip->li_ailp;
+
+ ASSERT(((lip->li_flags & XFS_LI_IN_AIL) == 0) ||
+ XFS_FORCED_SHUTDOWN(ip->i_mount));
+ if (lip->li_flags & XFS_LI_IN_AIL) {
+ spin_lock(&ailp->xa_lock);
+ if (lip->li_flags & XFS_LI_IN_AIL)
+ xfs_trans_ail_delete(ailp, lip);
+ else
+ spin_unlock(&ailp->xa_lock);
+ }
+ xfs_inode_item_destroy(ip);
+ ip->i_itemp = NULL;
+ }
+
+ /* asserts to verify all state is correct here */
+ ASSERT(atomic_read(&ip->i_iocount) == 0);
+ ASSERT(atomic_read(&ip->i_pincount) == 0);
+ ASSERT(!spin_is_locked(&ip->i_flags_lock));
+ ASSERT(completion_done(&ip->i_flush));
+
+ kmem_zone_free(xfs_inode_zone, ip);
+}
+
/*
* Check the validity of the inode we just found it the cache
*/
@@ -168,7 +225,7 @@ xfs_iget_cache_hit(
* errors cleanly, then tag it so it can be set up correctly
* later.
*/
- if (!inode_init_always(mp->m_super, VFS_I(ip))) {
+ if (inode_init_always(mp->m_super, VFS_I(ip))) {
error = ENOMEM;
goto out_error;
}
@@ -300,7 +357,8 @@ out_preload_end:
if (lock_flags)
xfs_iunlock(ip, lock_flags);
out_destroy:
- xfs_destroy_inode(ip);
+ __destroy_inode(VFS_I(ip));
+ xfs_inode_free(ip);
return error;
}
@@ -505,63 +563,7 @@ xfs_ireclaim(
xfs_qm_dqdetach(ip);
xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
- switch (ip->i_d.di_mode & S_IFMT) {
- case S_IFREG:
- case S_IFDIR:
- case S_IFLNK:
- xfs_idestroy_fork(ip, XFS_DATA_FORK);
- break;
- }
-
- if (ip->i_afp)
- xfs_idestroy_fork(ip, XFS_ATTR_FORK);
-
-#ifdef XFS_INODE_TRACE
- ktrace_free(ip->i_trace);
-#endif
-#ifdef XFS_BMAP_TRACE
- ktrace_free(ip->i_xtrace);
-#endif
-#ifdef XFS_BTREE_TRACE
- ktrace_free(ip->i_btrace);
-#endif
-#ifdef XFS_RW_TRACE
- ktrace_free(ip->i_rwtrace);
-#endif
-#ifdef XFS_ILOCK_TRACE
- ktrace_free(ip->i_lock_trace);
-#endif
-#ifdef XFS_DIR2_TRACE
- ktrace_free(ip->i_dir_trace);
-#endif
- if (ip->i_itemp) {
- /*
- * Only if we are shutting down the fs will we see an
- * inode still in the AIL. If it is there, we should remove
- * it to prevent a use-after-free from occurring.
- */
- xfs_log_item_t *lip = &ip->i_itemp->ili_item;
- struct xfs_ail *ailp = lip->li_ailp;
-
- ASSERT(((lip->li_flags & XFS_LI_IN_AIL) == 0) ||
- XFS_FORCED_SHUTDOWN(ip->i_mount));
- if (lip->li_flags & XFS_LI_IN_AIL) {
- spin_lock(&ailp->xa_lock);
- if (lip->li_flags & XFS_LI_IN_AIL)
- xfs_trans_ail_delete(ailp, lip);
- else
- spin_unlock(&ailp->xa_lock);
- }
- xfs_inode_item_destroy(ip);
- ip->i_itemp = NULL;
- }
- /* asserts to verify all state is correct here */
- ASSERT(atomic_read(&ip->i_iocount) == 0);
- ASSERT(atomic_read(&ip->i_pincount) == 0);
- ASSERT(!spin_is_locked(&ip->i_flags_lock));
- ASSERT(completion_done(&ip->i_flush));
- xfs_inode_clear_acls(ip);
- kmem_zone_free(xfs_inode_zone, ip);
+ xfs_inode_free(ip);
}
/*
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 77016702938b..65f24a3cc992 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -273,11 +273,6 @@ typedef struct xfs_inode {
/* VFS inode */
struct inode i_vnode; /* embedded VFS inode */
-#ifdef CONFIG_XFS_POSIX_ACL
- struct posix_acl *i_acl;
- struct posix_acl *i_default_acl;
-#endif
-
/* Trace buffers per inode. */
#ifdef XFS_INODE_TRACE
struct ktrace *i_trace; /* general inode trace */
@@ -315,23 +310,6 @@ static inline struct inode *VFS_I(struct xfs_inode *ip)
}
/*
- * Get rid of a partially initialized inode.
- *
- * We have to go through destroy_inode to make sure allocations
- * from init_inode_always like the security data are undone.
- *
- * We mark the inode bad so that it takes the short cut in
- * the reclaim path instead of going through the flush path
- * which doesn't make sense for an inode that has never seen the
- * light of day.
- */
-static inline void xfs_destroy_inode(struct xfs_inode *ip)
-{
- make_bad_inode(VFS_I(ip));
- return destroy_inode(VFS_I(ip));
-}
-
-/*
* i_flags helper functions
*/
static inline void
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-12 03:32:54 +0300