raid5: reduce chance release_stripe() taking device_lock

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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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Shaohua Li 2012-07-19 16:01:31 +10:00 • committed by NeilBrown

parent 58e94ae184

commit 4eb788df67

1 changed files with 41 additions and 34 deletions

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drivers/md/raid5.c

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