tree 229ffbbf1bb96ef604d59c4af9ed28d062c1d566
parent bb3338d3474e0329918fda9dae2c52751731eb58
author Shaohua Li <shli@fb.com> 1494431231 -0700
committer Shaohua Li <shli@fb.com> 1494541937 -0700

md/raid1/10: avoid unnecessary locking

If we add bios to block plugging list, locking is unnecessry, since the block
unplug is guaranteed not to run at that time.

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