linux-kernel - [PATCH 4/8] docs: filesystems: caching/backend-api.rst: fix an object withdrawn API

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Date:   Sat, 09 Apr 2022 00:06:32 +0100
From:   David Howells <dhowells@...hat.com>
To:     linux-cachefs@...hat.com
Cc:     Yue Hu <huyue2@...lpad.com>, dhowells@...hat.com,
        Jeff Layton <jlayton@...nel.org>,
        Jeffle Xu <jefflexu@...ux.alibaba.com>,
        Yue Hu <huyue2@...lpad.com>, linux-fsdevel@...r.kernel.org,
        linux-erofs@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/8] docs: filesystems: caching/backend-api.rst: fix an object
 withdrawn API

From: Yue Hu <huyue2@...lpad.com>

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fscache_wait_for_objects() to wait all objects to be withdrawn.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@...lpad.com>
Signed-off-by: David Howells <dhowells@...hat.com>
cc: linux-cachefs@...hat.com
Link: https://listman.redhat.com/archives/linux-cachefs/2022-April/006705.html # v1
---

 Documentation/filesystems/caching/backend-api.rst |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/filesystems/caching/backend-api.rst b/Documentation/filesystems/caching/backend-api.rst
index d7b2df5fd607..d7507becf674 100644
--- a/Documentation/filesystems/caching/backend-api.rst
+++ b/Documentation/filesystems/caching/backend-api.rst
@@ -110,9 +110,9 @@ to withdraw them, calling::
 
 on the cookie that each object belongs to.  This schedules the specified cookie
 for withdrawal.  This gets offloaded to a workqueue.  The cache backend can
-test for completion by calling::
+wait for completion by calling::
 
-	bool fscache_are_objects_withdrawn(struct fscache_cookie *cache);
+	void fscache_wait_for_objects(struct fscache_cache *cache);
 
 Once all the cookies are withdrawn, a cache backend can withdraw all the
 volumes, calling::