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Subject[PATCH 4.4 24/46] FS-Cache: Initialise stores_lock in netfs cookie
Date
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Howells <dhowells@redhat.com>


[ Upstream commit 62deb8187d116581c88c69a2dd9b5c16588545d4 ]

Initialise the stores_lock in fscache netfs cookies. Technically, it
shouldn't be necessary, since the netfs cookie is an index and stores no
data, but initialising it anyway adds insignificant overhead.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/fscache/netfs.c | 1 +
1 file changed, 1 insertion(+)

--- a/fs/fscache/netfs.c
+++ b/fs/fscache/netfs.c
@@ -48,6 +48,7 @@ int __fscache_register_netfs(struct fsca
cookie->flags = 1 << FSCACHE_COOKIE_ENABLED;

spin_lock_init(&cookie->lock);
+ spin_lock_init(&cookie->stores_lock);
INIT_HLIST_HEAD(&cookie->backing_objects);

/* check the netfs type is not already present */

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