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(parent: cd1b328) | patch
raid5: reduce chance release_stripe() taking device_lock
authorShaohua Li <shli@kernel.org>
Thu, 19 Jul 2012 06:01:31 +0000 (16:01 +1000)
committerNeilBrown <neilb@suse.de>
Thu, 19 Jul 2012 06:01:31 +0000 (16:01 +1000)
commit8cbe5e08603d71738d790bf9dea826750aded4dc
tree6a99872db014f67e43312afd4a93b3bcffe64506tree | snapshot
parentcd1b328e593f5740c9e8b40dc8ee4036d96c379bcommit | diff
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>
drivers/md/raid5.c diff | blob | history
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