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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-10-08 19:43:00 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-10-08 19:43:00 +0400
commite3c55d406bd8df1a878546002c93db90c42be10c (patch)
treeefb0ba2707c95fd7166cf1b76887c43c977e37dd /Documentation/filesystems/caching/backend-api.txt
parent4d6e482675f13e33599fc3d18fc723959be0a9b6 (diff)
parentd0e639c9e06d44e713170031fe05fb60ebe680af (diff)
downloadlinux-e3c55d406bd8df1a878546002c93db90c42be10c.tar.xz
Merge tag 'v3.12-rc4' into next
Merge with mainline to bring in changes to input subsystem that were committed through other trees.
Diffstat (limited to 'Documentation/filesystems/caching/backend-api.txt')
-rw-r--r--Documentation/filesystems/caching/backend-api.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/filesystems/caching/backend-api.txt b/Documentation/filesystems/caching/backend-api.txt
index d78bab9622c6..277d1e810670 100644
--- a/Documentation/filesystems/caching/backend-api.txt
+++ b/Documentation/filesystems/caching/backend-api.txt
@@ -299,6 +299,15 @@ performed on the denizens of the cache. These are held in a structure of type:
enough space in the cache to permit this.
+ (*) Check coherency state of an object [mandatory]:
+
+ int (*check_consistency)(struct fscache_object *object)
+
+ This method is called to have the cache check the saved auxiliary data of
+ the object against the netfs's idea of the state. 0 should be returned
+ if they're consistent and -ESTALE otherwise. -ENOMEM and -ERESTARTSYS
+ may also be returned.
+
(*) Update object [mandatory]:
int (*update_object)(struct fscache_object *object)