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[PATCH 1/2] FS-Cache: Initialise stores_lock in netfs cookie

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  [PATCH 1/2] FS-Cache: Initialise stores_lock in netfs cookie David Howells <dhowells@redhat.com> - 2017-01-18 15:30 +0100

#1561855 — [PATCH 1/2] FS-Cache: Initialise stores_lock in netfs cookie

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>
---

 fs/fscache/netfs.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/fscache/netfs.c b/fs/fscache/netfs.c
index 9b28649df3a1..a8aa00be4444 100644
--- a/fs/fscache/netfs.c
+++ b/fs/fscache/netfs.c
@@ -48,6 +48,7 @@ int __fscache_register_netfs(struct fscache_netfs *netfs)
 	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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