This is a note to let you know that I've just added the patch titled FS-Cache: Initialise stores_lock in netfs cookie to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: fs-cache-initialise-stores_lock-in-netfs-cookie.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Thu Jun 15 12:25:36 CEST 2017 From: David Howells <dhowells@xxxxxxxxxx> Date: Tue, 23 May 2017 21:54:06 -0400 Subject: FS-Cache: Initialise stores_lock in netfs cookie From: David Howells <dhowells@xxxxxxxxxx> [ 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@xxxxxxxxxx> Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx> Acked-by: Steve Dickson <steved@xxxxxxxxxx> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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 */ Patches currently in stable-queue which might be from dhowells@xxxxxxxxxx are queue-4.9/fscache-clear-outstanding-writes-when-disabling-a-cookie.patch queue-4.9/fs-cache-initialise-stores_lock-in-netfs-cookie.patch queue-4.9/fscache-fix-dead-object-requeue.patch