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raid5: reduce chance release_stripe() taking device_lock
author
Shaohua Li
<shli@kernel.org>
Thu, 19 Jul 2012 06:01:31 +0000
(16:01 +1000)
committer
NeilBrown
<neilb@suse.de>
Thu, 19 Jul 2012 06:01:31 +0000
(16:01 +1000)
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>
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git.openpandora.org / pandora-kernel.git / commitdiff