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Commit 621292ba authored by David Sterba's avatar David Sterba
Browse files

btrfs: introduce raid-type to error-code table, for minimum device constraint 



Reviewed-by: default avatarAnand Jain <anand.jain@oracle.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 3cc31a0d

fs/btrfs/volumes.c

+15 −0
Original line number Original line Diff line number Diff line
@@ -118,6 +118,21 @@ const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES] = { 
	[BTRFS_RAID_RAID6]  = BTRFS_BLOCK_GROUP_RAID6,

	[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,

static int init_first_rw_device(struct btrfs_trans_handle *trans,

				struct btrfs_root *root,

				struct btrfs_root *root,

				struct btrfs_device *device);

				struct btrfs_device *device);

fs/btrfs/volumes.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -340,7 +340,7 @@ struct btrfs_raid_attr { 
};

};





extern const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES];

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];

extern const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES];





struct map_lookup {

struct map_lookup {