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btrfs: move btrfs_raid_group values to btrfs_raid_attr table
Add a new member struct btrfs_raid_attr::bg_flag so that btrfs_raid_array can maintain the bit map flag of the raid type, and so we can drop btrfs_raid_group. Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
parent
ed23467b18
commit
41a6e8913c
4 changed files with 11 additions and 14 deletions
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@ -3521,7 +3521,7 @@ int btrfs_get_num_tolerated_disk_barrier_failures(u64 flags)
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for (raid_type = 0; raid_type < BTRFS_NR_RAID_TYPES; raid_type++) {
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for (raid_type = 0; raid_type < BTRFS_NR_RAID_TYPES; raid_type++) {
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if (raid_type == BTRFS_RAID_SINGLE)
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if (raid_type == BTRFS_RAID_SINGLE)
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continue;
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continue;
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if (!(flags & btrfs_raid_group[raid_type]))
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if (!(flags & btrfs_raid_array[raid_type].bg_flag))
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continue;
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continue;
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min_tolerated = min(min_tolerated,
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min_tolerated = min(min_tolerated,
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btrfs_raid_array[raid_type].
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btrfs_raid_array[raid_type].
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@ -4180,7 +4180,7 @@ static u64 btrfs_reduce_alloc_profile(struct btrfs_fs_info *fs_info, u64 flags)
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/* First, mask out the RAID levels which aren't possible */
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/* First, mask out the RAID levels which aren't possible */
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for (raid_type = 0; raid_type < BTRFS_NR_RAID_TYPES; raid_type++) {
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for (raid_type = 0; raid_type < BTRFS_NR_RAID_TYPES; raid_type++) {
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if (num_devices >= btrfs_raid_array[raid_type].devs_min)
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if (num_devices >= btrfs_raid_array[raid_type].devs_min)
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allowed |= btrfs_raid_group[raid_type];
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allowed |= btrfs_raid_array[raid_type].bg_flag;
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}
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}
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allowed &= flags;
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allowed &= flags;
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@ -41,6 +41,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
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.devs_increment = 2,
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.devs_increment = 2,
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.ncopies = 2,
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.ncopies = 2,
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.raid_name = "raid10",
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.raid_name = "raid10",
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.bg_flag = BTRFS_BLOCK_GROUP_RAID10,
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},
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},
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[BTRFS_RAID_RAID1] = {
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[BTRFS_RAID_RAID1] = {
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.sub_stripes = 1,
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.sub_stripes = 1,
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@ -51,6 +52,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
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.devs_increment = 2,
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.devs_increment = 2,
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.ncopies = 2,
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.ncopies = 2,
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.raid_name = "raid1",
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.raid_name = "raid1",
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.bg_flag = BTRFS_BLOCK_GROUP_RAID1,
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},
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},
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[BTRFS_RAID_DUP] = {
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[BTRFS_RAID_DUP] = {
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.sub_stripes = 1,
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.sub_stripes = 1,
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@ -61,6 +63,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
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.devs_increment = 1,
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.devs_increment = 1,
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.ncopies = 2,
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.ncopies = 2,
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.raid_name = "dup",
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.raid_name = "dup",
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.bg_flag = BTRFS_BLOCK_GROUP_DUP,
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},
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},
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[BTRFS_RAID_RAID0] = {
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[BTRFS_RAID_RAID0] = {
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.sub_stripes = 1,
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.sub_stripes = 1,
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@ -71,6 +74,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
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.devs_increment = 1,
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.devs_increment = 1,
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.ncopies = 1,
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.ncopies = 1,
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.raid_name = "raid0",
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.raid_name = "raid0",
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.bg_flag = BTRFS_BLOCK_GROUP_RAID0,
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},
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},
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[BTRFS_RAID_SINGLE] = {
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[BTRFS_RAID_SINGLE] = {
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.sub_stripes = 1,
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.sub_stripes = 1,
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@ -81,6 +85,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
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.devs_increment = 1,
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.devs_increment = 1,
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.ncopies = 1,
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.ncopies = 1,
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.raid_name = "single",
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.raid_name = "single",
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.bg_flag = 0,
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},
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},
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[BTRFS_RAID_RAID5] = {
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[BTRFS_RAID_RAID5] = {
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.sub_stripes = 1,
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.sub_stripes = 1,
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@ -91,6 +96,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
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.devs_increment = 1,
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.devs_increment = 1,
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.ncopies = 2,
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.ncopies = 2,
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.raid_name = "raid5",
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.raid_name = "raid5",
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.bg_flag = BTRFS_BLOCK_GROUP_RAID5,
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},
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},
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[BTRFS_RAID_RAID6] = {
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[BTRFS_RAID_RAID6] = {
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.sub_stripes = 1,
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.sub_stripes = 1,
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@ -101,6 +107,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
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.devs_increment = 1,
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.devs_increment = 1,
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.ncopies = 3,
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.ncopies = 3,
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.raid_name = "raid6",
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.raid_name = "raid6",
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.bg_flag = BTRFS_BLOCK_GROUP_RAID6,
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},
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},
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};
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};
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@ -112,16 +119,6 @@ const char *get_raid_name(enum btrfs_raid_types type)
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return btrfs_raid_array[type].raid_name;
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return btrfs_raid_array[type].raid_name;
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}
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}
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const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES] = {
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[BTRFS_RAID_RAID10] = BTRFS_BLOCK_GROUP_RAID10,
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[BTRFS_RAID_RAID1] = BTRFS_BLOCK_GROUP_RAID1,
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[BTRFS_RAID_DUP] = BTRFS_BLOCK_GROUP_DUP,
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[BTRFS_RAID_RAID0] = BTRFS_BLOCK_GROUP_RAID0,
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[BTRFS_RAID_SINGLE] = 0,
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[BTRFS_RAID_RAID5] = BTRFS_BLOCK_GROUP_RAID5,
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[BTRFS_RAID_RAID6] = BTRFS_BLOCK_GROUP_RAID6,
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};
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/*
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/*
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* Table to convert BTRFS_RAID_* to the error code if minimum number of devices
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* Table to convert BTRFS_RAID_* to the error code if minimum number of devices
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* condition is not met. Zero means there's no corresponding
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* condition is not met. Zero means there's no corresponding
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@ -1899,7 +1896,7 @@ static int btrfs_check_raid_min_devices(struct btrfs_fs_info *fs_info,
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} while (read_seqretry(&fs_info->profiles_lock, seq));
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} while (read_seqretry(&fs_info->profiles_lock, seq));
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for (i = 0; i < BTRFS_NR_RAID_TYPES; i++) {
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for (i = 0; i < BTRFS_NR_RAID_TYPES; i++) {
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if (!(all_avail & btrfs_raid_group[i]))
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if (!(all_avail & btrfs_raid_array[i].bg_flag))
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continue;
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continue;
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if (num_devices < btrfs_raid_array[i].devs_min) {
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if (num_devices < btrfs_raid_array[i].devs_min) {
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@ -330,11 +330,11 @@ struct btrfs_raid_attr {
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int devs_increment; /* ndevs has to be a multiple of this */
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int devs_increment; /* ndevs has to be a multiple of this */
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int ncopies; /* how many copies to data has */
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int ncopies; /* how many copies to data has */
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const char raid_name[8]; /* name of the raid */
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const char raid_name[8]; /* name of the raid */
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u64 bg_flag; /* block group flag of the raid */
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};
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};
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extern const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES];
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extern const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES];
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extern const int btrfs_raid_mindev_error[BTRFS_NR_RAID_TYPES];
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extern const int btrfs_raid_mindev_error[BTRFS_NR_RAID_TYPES];
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extern const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES];
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struct map_lookup {
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struct map_lookup {
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u64 type;
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u64 type;
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