FS-Cache: Make kAFS use FS-Cache
The attached patch makes the kAFS filesystem in fs/afs/ use FS-Cache, and
through it any attached caches. The kAFS filesystem will use caching
automatically if it's available.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Daire Byrne <Daire.Byrne@framestore.com>
diff --git a/fs/afs/cell.c b/fs/afs/cell.c
index 5e1df14..e19c13f 100644
--- a/fs/afs/cell.c
+++ b/fs/afs/cell.c
@@ -147,12 +147,11 @@
if (ret < 0)
goto error;
-#ifdef AFS_CACHING_SUPPORT
- /* put it up for caching */
- cachefs_acquire_cookie(afs_cache_netfs.primary_index,
- &afs_vlocation_cache_index_def,
- cell,
- &cell->cache);
+#ifdef CONFIG_AFS_FSCACHE
+ /* put it up for caching (this never returns an error) */
+ cell->cache = fscache_acquire_cookie(afs_cache_netfs.primary_index,
+ &afs_cell_cache_index_def,
+ cell);
#endif
/* add to the cell lists */
@@ -362,10 +361,9 @@
list_del_init(&cell->proc_link);
up_write(&afs_proc_cells_sem);
-#ifdef AFS_CACHING_SUPPORT
- cachefs_relinquish_cookie(cell->cache, 0);
+#ifdef CONFIG_AFS_FSCACHE
+ fscache_relinquish_cookie(cell->cache, 0);
#endif
-
key_put(cell->anonymous_key);
kfree(cell);