dm-raid1.c: Make struct region::delayed_bios a bio_list instead of a bio*.
This will ensure the queued bios are kept in the proper order.
Signed-off-by: Kevin Corry <kevcorry@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>