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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>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells 2017-01-18 14:29:17 +00:00 committed by Al Viro
parent 566cf877a1
commit 62deb8187d
1 changed files with 1 additions and 0 deletions
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fs/fscache/netfs.c
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@ -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 */