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authorDavid Howells <dhowells@redhat.com>2017-11-02 18:27:52 +0300
committerDavid Howells <dhowells@redhat.com>2017-11-13 18:38:20 +0300
commit4343d00872e1de9a470d951bf09bdd18bc73f555 (patch)
tree282105c3309c5ad71b97a0d5c555ad53be81fb0b /fs/afs/fsclient.c
parent215804a99283c57fdd869aab350fdf6acc3460b6 (diff)
downloadlinux-4343d00872e1de9a470d951bf09bdd18bc73f555.tar.xz
afs: Get rid of the afs_writeback record
Get rid of the afs_writeback record that kAFS is using to match keys with writes made by that key. Instead, keep a list of keys that have a file open for writing and/or sync'ing and iterate through those. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs/fsclient.c')
-rw-r--r--fs/afs/fsclient.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 10e5ead629c2..b90ef39ae914 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -1119,18 +1119,18 @@ static const struct afs_call_type afs_RXFSStoreData64 = {
* store a set of pages to a very large file
*/
static int afs_fs_store_data64(struct afs_fs_cursor *fc,
- struct afs_writeback *wb,
+ struct address_space *mapping,
pgoff_t first, pgoff_t last,
unsigned offset, unsigned to,
loff_t size, loff_t pos, loff_t i_size)
{
- struct afs_vnode *vnode = wb->vnode;
+ struct afs_vnode *vnode = fc->vnode;
struct afs_call *call;
struct afs_net *net = afs_v2net(vnode);
__be32 *bp;
_enter(",%x,{%x:%u},,",
- key_serial(wb->key), vnode->fid.vid, vnode->fid.vnode);
+ key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode);
call = afs_alloc_flat_call(net, &afs_RXFSStoreData64,
(4 + 6 + 3 * 2) * 4,
@@ -1138,10 +1138,9 @@ static int afs_fs_store_data64(struct afs_fs_cursor *fc,
if (!call)
return -ENOMEM;
- call->wb = wb;
- call->key = wb->key;
+ call->key = fc->key;
+ call->mapping = mapping;
call->reply[0] = vnode;
- call->mapping = vnode->vfs_inode.i_mapping;
call->first = first;
call->last = last;
call->first_offset = offset;
@@ -1177,18 +1176,18 @@ static int afs_fs_store_data64(struct afs_fs_cursor *fc,
/*
* store a set of pages
*/
-int afs_fs_store_data(struct afs_fs_cursor *fc, struct afs_writeback *wb,
+int afs_fs_store_data(struct afs_fs_cursor *fc, struct address_space *mapping,
pgoff_t first, pgoff_t last,
unsigned offset, unsigned to)
{
- struct afs_vnode *vnode = wb->vnode;
+ struct afs_vnode *vnode = fc->vnode;
struct afs_call *call;
struct afs_net *net = afs_v2net(vnode);
loff_t size, pos, i_size;
__be32 *bp;
_enter(",%x,{%x:%u},,",
- key_serial(wb->key), vnode->fid.vid, vnode->fid.vnode);
+ key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode);
size = (loff_t)to - (loff_t)offset;
if (first != last)
@@ -1205,7 +1204,7 @@ int afs_fs_store_data(struct afs_fs_cursor *fc, struct afs_writeback *wb,
(unsigned long long) i_size);
if (pos >> 32 || i_size >> 32 || size >> 32 || (pos + size) >> 32)
- return afs_fs_store_data64(fc, wb, first, last, offset, to,
+ return afs_fs_store_data64(fc, mapping, first, last, offset, to,
size, pos, i_size);
call = afs_alloc_flat_call(net, &afs_RXFSStoreData,
@@ -1214,10 +1213,9 @@ int afs_fs_store_data(struct afs_fs_cursor *fc, struct afs_writeback *wb,
if (!call)
return -ENOMEM;
- call->wb = wb;
- call->key = wb->key;
+ call->key = fc->key;
+ call->mapping = mapping;
call->reply[0] = vnode;
- call->mapping = vnode->vfs_inode.i_mapping;
call->first = first;
call->last = last;
call->first_offset = offset;