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| author | David Sterba <dsterba@suse.com> | 2016-02-15 18:28:03 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-04-28 11:59:13 +0300 |
| commit | 621292bae6ae3b25cd3124b63603d01df4cccfb6 (patch) | |
| tree | 4d9d9caef803125a9f10311c3ea5cf275c52078a | |
| parent | 3cc31a0d5bc77e35229671307eba5ea5c4c4cb9d (diff) | |
| download | linux-621292bae6ae3b25cd3124b63603d01df4cccfb6.tar.xz | |
btrfs: introduce raid-type to error-code table, for minimum device constraint
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/volumes.c | 15 | ||||
| -rw-r--r-- | fs/btrfs/volumes.h | 2 |
2 files changed, 16 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index e966f0ce07f8..6b38b72d678b 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -118,6 +118,21 @@ const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES] = { [BTRFS_RAID_RAID6] = BTRFS_BLOCK_GROUP_RAID6, }; +/* + * Table to convert BTRFS_RAID_* to the error code if minimum number of devices + * condition is not met. Zero means there's no corresponding + * BTRFS_ERROR_DEV_*_NOT_MET value. + */ +const int btrfs_raid_mindev_error[BTRFS_NR_RAID_TYPES] = { + [BTRFS_RAID_RAID10] = BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET, + [BTRFS_RAID_RAID1] = BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET, + [BTRFS_RAID_DUP] = 0, + [BTRFS_RAID_RAID0] = 0, + [BTRFS_RAID_SINGLE] = 0, + [BTRFS_RAID_RAID5] = BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET, + [BTRFS_RAID_RAID6] = BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET, +}; + static int init_first_rw_device(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_device *device); diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index c73d027e2f8b..a13a538cb01e 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -340,7 +340,7 @@ struct btrfs_raid_attr { }; extern const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES]; - +extern const int btrfs_raid_mindev_error[BTRFS_NR_RAID_TYPES]; extern const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES]; struct map_lookup { |