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md-cluster: protect md_find_rdev_nr_rcu with rcu lock
authorGuoqing Jiang <gqjiang@suse.com>
Fri, 12 Aug 2016 05:42:39 +0000 (13:42 +0800)
committerShaohua Li <shli@fb.com>
Fri, 9 Sep 2016 18:09:23 +0000 (11:09 -0700)
commita70f4ebc3eb1939fd705480af8147c965da37b5f
treeab0c1e40d43206c0da1079aa554711f356f40752tree | snapshot
parenta7b0f1d51cd8928a6575e5a4f15d85bc46070919commit | diff
md-cluster: protect md_find_rdev_nr_rcu with rcu lock

We need to use rcu_read_lock/unlock to avoid potential
race.

Reported-by: Shaohua Li <shli@fb.com>
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
drivers/md/md-cluster.c diff | blob | blame | history
Linux kernel - Deliverables
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