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btrfs: fix ncopies raid_attr for RAID56

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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>
This commit is contained in:
Hans van Kranenburg 2018-10-04 23:24:41 +02:00 committed by David Sterba
parent baf92114c7
commit da612e31ae
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/volumes.c
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@ -96,7 +96,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
.devs_min = 2, .devs_min = 2,
.tolerated_failures = 1, .tolerated_failures = 1,
.devs_increment = 1, .devs_increment = 1,
.ncopies = 2, .ncopies = 1,
.raid_name = "raid5", .raid_name = "raid5",
.bg_flag = BTRFS_BLOCK_GROUP_RAID5, .bg_flag = BTRFS_BLOCK_GROUP_RAID5,
.mindev_error = BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET, .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, .devs_min = 3,
.tolerated_failures = 2, .tolerated_failures = 2,
.devs_increment = 1, .devs_increment = 1,
.ncopies = 3, .ncopies = 1,
.raid_name = "raid6", .raid_name = "raid6",
.bg_flag = BTRFS_BLOCK_GROUP_RAID6, .bg_flag = BTRFS_BLOCK_GROUP_RAID6,
.mindev_error = BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET, .mindev_error = BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,