From 37410d6a7e4c7d0c469e9b5c8dc9611cbb17b8da Mon Sep 17 00:00:00 2001 From: Hans van Kranenburg Date: Thu, 4 Oct 2018 23:24:41 +0200 Subject: [PATCH] btrfs: fix ncopies raid_attr for RAID56 [ Upstream commit da612e31aee51bd13231c78a47c714b543bd3ad8 ] RAID5 and RAID6 profile store one copy of the data, not 2 or 3. These values are not yet used anywhere so there's no change. Reviewed-by: Nikolay Borisov Signed-off-by: Hans van Kranenburg Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/volumes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index f84c18e86c81..5bbcdcff68a9 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -96,7 +96,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { .devs_min = 2, .tolerated_failures = 1, .devs_increment = 1, - .ncopies = 2, + .ncopies = 1, .raid_name = "raid5", .bg_flag = BTRFS_BLOCK_GROUP_RAID5, .mindev_error = BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET, @@ -108,7 +108,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { .devs_min = 3, .tolerated_failures = 2, .devs_increment = 1, - .ncopies = 3, + .ncopies = 1, .raid_name = "raid6", .bg_flag = BTRFS_BLOCK_GROUP_RAID6, .mindev_error = BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET, -- 2.11.0