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(parent: 44dd30e) | patch
gfs2: Add missing rcu locking for glock lookup
authorAndrew Price <anprice@redhat.com>
Wed, 22 Feb 2017 17:05:03 +0000 (12:05 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 12 Mar 2017 05:37:29 +0000 (06:37 +0100)
commit70a09029b7be8091499aef3ed39a91325d841ec4
tree12fb13056d48fb9088456e81903c41b1a21ddb35tree | snapshot
parent44dd30e04c1f59dff7115857e51bce4b6ddd2137commit | diff
gfs2: Add missing rcu locking for glock lookup

commit f38e5fb95a1f8feda88531eedc98f69b24748712 upstream.

We must hold the rcu read lock across looking up glocks and trying to
bump their refcount to prevent the glocks from being freed in between.

Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/gfs2/glock.c diff | blob | history
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