raid5: relieve lock contention in get_active_stripe()
authorShaohua Li <shli@kernel.org>
Thu, 14 Nov 2013 04:16:17 +0000 (15:16 +1100)
committerNeilBrown <neilb@suse.de>
Tue, 19 Nov 2013 04:18:22 +0000 (15:18 +1100)
track empty inactive list count, so md_raid5_congested() can use it to make
decision.

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

No differences found