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

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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 If successful, the cache backend can then start setting up the cache. In the
event that the initialisation fails, the cache backend should call:: 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. 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When the the cache is completely withdrawn, fscache should be notified by When the the cache is completely withdrawn, fscache should be notified by
calling:: 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. to clear fields in the cookie and discard the caller's ref on it.