md/raid5: prepare for allowing reshape to change layout
authorNeilBrown <neilb@suse.de>
Tue, 31 Mar 2009 04:20:22 +0000 (15:20 +1100)
committerNeilBrown <neilb@suse.de>
Tue, 31 Mar 2009 04:20:22 +0000 (15:20 +1100)
commite183eaedd53807e33f02ee80573e2833890e1f21
treeba648feacbc930936e5a66006a19ee8822ac28f5
parent784052ecc6ade6b6acf4f67e4ada8e5f2e6df446
md/raid5: prepare for allowing reshape to change layout

Add prev_algo to raid5_conf_t along the same lines as prev_chunk
and previous_raid_disks.

Signed-off-by: NeilBrown <neilb@suse.de>
drivers/md/raid5.c
drivers/md/raid5.h