tree 9a708f373c8d1d8c94c1494e25add4a08b6ce782
parent 14e713446aaca97dbe590fe845f7dcbd74ddbee2
author Arne Redlich <agr@powerkom-dd.de> 1185867477 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1185921578 -0700

md: handle writes to broken raid10 arrays gracefully

When writing to a broken array, raid10 currently happily emits empty bio
lists.  IOW, the master bio will never be completed, sending writers to
UNINTERRUPTIBLE_SLEEP forever.

Signed-off-by: Arne Redlich <agr@powerkom-dd.de>
Acked-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>