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docs: filesystems: caching/backend-api.rst: correct two relinquish APIs use 

1. cache backend is using fscache_relinquish_cache() rather than
   fscache_relinquish_cookie() to reset the cache cookie.

2. No fscache_cache_relinquish() helper currently, it should be
   fscache_relinquish_cache().

Signed-off-by: Yue Hu <huyue2@coolpad.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-cachefs@redhat.com
Link: https://listman.redhat.com/archives/linux-cachefs/2022-April/006703.html # v1
Link: https://listman.redhat.com/archives/linux-cachefs/2022-April/006704.html # v2
This commit is contained in:
Yue Hu 2022-04-07 18:28:32 +08:00 committed by David Howells
parent 7b2f6c3066
commit c54eead2a6
1 changed files with 2 additions and 2 deletions
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4
Documentation/filesystems/caching/backend-api.rst
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@ -73,7 +73,7 @@ busy.
If successful, the cache backend can then start setting up the cache. In the
event that the initialisation fails, the cache backend should call::
void fscache_relinquish_cookie(struct fscache_cache *cache);
void fscache_relinquish_cache(struct fscache_cache *cache);
to reset and discard the cookie.
@ -125,7 +125,7 @@ outstanding accesses on the volume to complete before returning.
When the the cache is completely withdrawn, fscache should be notified by
calling::
void fscache_cache_relinquish(struct fscache_cache *cache);
void fscache_relinquish_cache(struct fscache_cache *cache);
to clear fields in the cookie and discard the caller's ref on it.