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4 Commits

Author SHA1 Message Date
Yue Hu
5d3d5b9645 docs: filesystems: caching/backend-api.rst: fix an object withdrawn API 
There's no fscache_are_objects_withdrawn() helper at all to test if
cookie withdrawal is completed currently. The cache backend is using
fscache_wait_for_objects() to wait all objects to be withdrawn.

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/006705.html # v1
 2022-04-08 23:54:37 +01:00
Yue Hu
c54eead2a6 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
 2022-04-08 23:54:37 +01:00
David Howells
e0484344c0 fscache: Rewrite documentation 
Rewrite the fscache documentation.

Changes
=======
ver #3:
 - The volume coherency data is now an arbitrarily-sized blob, not a u64.

ver #2:
 - Put quoting around some bits of C being referred to in the docs[1].
 - Stripped the markup off the ref to the netfs lib doc[2].

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
Link: https://lore.kernel.org/r/20211130175119.63d0e7aa@canb.auug.org.au/ [1]
Link: https://lore.kernel.org/r/20211130162311.105fcfa5@canb.auug.org.au/ [2]
Link: https://lore.kernel.org/r/163819672252.215744.15454333549935901588.stgit@warthog.procyon.org.uk/ # v1
Link: https://lore.kernel.org/r/163906986754.143852.17703291789683936950.stgit@warthog.procyon.org.uk/ # v2
Link: https://lore.kernel.org/r/163967193834.1823006.15991526817786159772.stgit@warthog.procyon.org.uk/ # v3
Link: https://lore.kernel.org/r/164021585970.640689.3162537597817521032.stgit@warthog.procyon.org.uk/ # v4
 2022-01-11 22:13:01 +00:00
Mauro Carvalho Chehab
0e822145b5 docs: filesystems: caching/backend-api.txt: convert it to ReST 
- Add a SPDX header;
- Adjust document and section titles;
- Some whitespace fixes and new line breaks;
- Mark literal blocks as such;
- Add table markups;
- Add it to filesystems/caching/index.rst.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/5d0a61abaa87bfe913b9e2f321e74ef7af0f3dfc.1588021877.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2020-05-05 09:22:21 -06:00