btrfs: introduce nparity raid_attr

Instead of hardcoding exceptions for RAID5 and RAID6 in the code, use an
nparity field in raid_attr.

Signed-off-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Hans van Kranenburg 2018-10-04 23:24:42 +02:00 • committed by David Sterba
commit b50836edf9
2 changed files with 13 additions and 7 deletions