tree ab1a3b7bd34f51ea09ef505ed518423332f53a99
parent be50a8ddaae1d07135fd7e1c7017c1611075a560
author Zhao Lei <zhaolei@cn.fujitsu.com> 1421737903 +0800
committer Chris Mason <clm@fb.com> 1421892409 -0800

Btrfs: Include map_type in raid_bio

Corrent code use many kinds of "clever" way to determine operation
target's raid type, as:
  raid_map != NULL
  or
  raid_map[MAX_NR] == RAID[56]_Q_STRIPE

To make code easy to maintenance, this patch put raid type into
bbio, and we can always get raid type from bbio with a "stupid"
way.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>