raid5-cache: check stripe finish out of order
authorShaohua Li <shli@fb.com>
Fri, 4 Sep 2015 21:14:05 +0000 (14:14 -0700)
committerNeilBrown <neilb@suse.com>
Sun, 1 Nov 2015 02:48:26 +0000 (13:48 +1100)
commit85f2f9a4f49d3e3230b3c5fb08362d561691421e
tree2cac2cfdac6a7f602ea81f8bd20c38f7269c9a22
parentbd18f6462f3d167a9b3ec27851c98f82694b2adf
raid5-cache: check stripe finish out of order

stripes could finish out of order. Hence r5l_move_io_unit_list() of
__r5l_stripe_write_finished might not move any entry and leave
stripe_end_ios list empty.

This applies on top of http://marc.info/?l=linux-raid&m=144122700510667

Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
drivers/md/raid5-cache.c