tree 6a99872db014f67e43312afd4a93b3bcffe64506
parent 58e94ae18478c08229626daece2fc108a4a23261
author Shaohua Li <shli@kernel.org> 1342677691 +1000
committer NeilBrown <neilb@suse.de> 1342677691 +1000

raid5: reduce chance release_stripe() taking device_lock

release_stripe() is a place conf->device_lock is heavily contended. We take the
lock even stripe count isn't 1, which isn't required.

Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>