| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.19 072/219] btrfs: fix ncopies raid_attr for RAID56 | Date | Fri, 22 Nov 2019 00:46:44 -0500 |
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From: Hans van Kranenburg <hans.van.kranenburg@mendix.com>
[ 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 <nborisov@suse.com> Signed-off-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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 f84c18e86c816..5bbcdcff68a9e 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, -- 2.20.1
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