diff --git a/common/fsfeatures.c b/common/fsfeatures.c index 1c993b59..df58314e 100644 --- a/common/fsfeatures.c +++ b/common/fsfeatures.c @@ -190,6 +190,14 @@ static const struct btrfs_feature mkfs_features[] = { VERSION_NULL(safe), VERSION_NULL(default), .desc = "new extent tree format" + } , { + .name = "raid-stripe-tree", + .incompat_flag = BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE, + .sysfs_name = NULL, + VERSION_TO_STRING2(compat, 6,7), + VERSION_NULL(safe), + VERSION_NULL(default), + .desc = "raid stripe tree" }, #endif /* Keep this one last */ diff --git a/kernel-shared/ctree.h b/kernel-shared/ctree.h index 68a85d51..a7db48e3 100644 --- a/kernel-shared/ctree.h +++ b/kernel-shared/ctree.h @@ -103,7 +103,8 @@ static inline u32 __BTRFS_LEAF_DATA_SIZE(u32 nodesize) BTRFS_FEATURE_INCOMPAT_RAID1C34 | \ BTRFS_FEATURE_INCOMPAT_METADATA_UUID | \ BTRFS_FEATURE_INCOMPAT_ZONED | \ - BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2) + BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2 | \ + BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE) #else #define BTRFS_FEATURE_INCOMPAT_SUPP \ (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \ diff --git a/kernel-shared/zoned.c b/kernel-shared/zoned.c index d187c576..100e801a 100644 --- a/kernel-shared/zoned.c +++ b/kernel-shared/zoned.c @@ -737,7 +737,7 @@ out: return ret; } -bool zoned_profile_supported(u64 map_type) +bool zoned_profile_supported(u64 map_type, bool rst) { bool data = (map_type & BTRFS_BLOCK_GROUP_DATA); u64 flags = (map_type & BTRFS_BLOCK_GROUP_PROFILE_MASK); @@ -746,9 +746,37 @@ bool zoned_profile_supported(u64 map_type) if (flags == 0) return true; - /* We can support DUP on metadata */ +#if EXPERIMENTAL + if (data) { + if ((flags & BTRFS_BLOCK_GROUP_DUP) && rst) + return true; + /* Data RAID1 needs a raid-stripe-tree. */ + if ((flags & BTRFS_BLOCK_GROUP_RAID1_MASK) && rst) + return true; + /* Data RAID0 needs a raid-stripe-tree. */ + if ((flags & BTRFS_BLOCK_GROUP_RAID0) && rst) + return true; + /* Data RAID10 needs a raid-stripe-tree. */ + if ((flags & BTRFS_BLOCK_GROUP_RAID10) && rst) + return true; + } else { + /* We can support DUP on metadata/system. */ + if (flags & BTRFS_BLOCK_GROUP_DUP) + return true; + /* We can support RAID1 on metadata/system. */ + if (flags & BTRFS_BLOCK_GROUP_RAID1_MASK) + return true; + /* We can support RAID0 on metadata/system. */ + if (flags & BTRFS_BLOCK_GROUP_RAID0) + return true; + /* We can support RAID10 on metadata/system. */ + if (flags & BTRFS_BLOCK_GROUP_RAID10) + return true; + } +#else if (!data && (flags & BTRFS_BLOCK_GROUP_DUP)) return true; +#endif /* All other profiles are not supported yet */ return false; @@ -863,7 +891,7 @@ int btrfs_load_block_group_zone_info(struct btrfs_fs_info *fs_info, } } - if (!zoned_profile_supported(map->type)) { + if (!zoned_profile_supported(map->type, !!fs_info->stripe_root)) { error("zoned: profile %s not yet supported", btrfs_group_profile_str(map->type)); ret = -EINVAL; diff --git a/kernel-shared/zoned.h b/kernel-shared/zoned.h index 9e4162cf..6efc6028 100644 --- a/kernel-shared/zoned.h +++ b/kernel-shared/zoned.h @@ -133,7 +133,7 @@ static inline bool btrfs_dev_is_empty_zone(struct btrfs_device *device, u64 pos) return zinfo->zones[zno].cond == BLK_ZONE_COND_EMPTY; } -bool zoned_profile_supported(u64 map_type); +bool zoned_profile_supported(u64 map_type, bool rst); int btrfs_reset_dev_zone(int fd, struct blk_zone *zone); u64 btrfs_find_allocatable_zones(struct btrfs_device *device, u64 hole_start, u64 hole_end, u64 num_bytes); @@ -214,7 +214,7 @@ static inline int btrfs_wipe_temporary_sb(struct btrfs_fs_devices *fs_devices) return 0; } -static inline bool zoned_profile_supported(u64 map_type) +static inline bool zoned_profile_supported(u64 map_type, bool rst) { return false; } diff --git a/mkfs/main.c b/mkfs/main.c index 1c5d668e..34b3eb81 100644 --- a/mkfs/main.c +++ b/mkfs/main.c @@ -962,6 +962,36 @@ fail: return ret; } +static int setup_raid_stripe_tree_root(struct btrfs_fs_info *fs_info) +{ + struct btrfs_trans_handle *trans; + struct btrfs_root *stripe_root; + struct btrfs_key key = { + .objectid = BTRFS_RAID_STRIPE_TREE_OBJECTID, + .type = BTRFS_ROOT_ITEM_KEY, + }; + int ret; + + trans = btrfs_start_transaction(fs_info->tree_root, 0); + if (IS_ERR(trans)) + return PTR_ERR(trans); + + stripe_root = btrfs_create_tree(trans, fs_info, &key); + if (IS_ERR(stripe_root)) { + ret = PTR_ERR(stripe_root); + btrfs_abort_transaction(trans, ret); + return ret; + } + fs_info->stripe_root = stripe_root; + add_root_to_dirty_list(stripe_root); + + ret = btrfs_commit_transaction(trans, fs_info->tree_root); + if (ret) + return ret; + + return 0; +} + /* Thread callback for device preparation */ static void *prepare_one_device(void *ctx) { @@ -1472,10 +1502,38 @@ int BOX_MAIN(mkfs)(int argc, char **argv) if (ret) goto error; - if (opt_zoned && (!zoned_profile_supported(BTRFS_BLOCK_GROUP_METADATA | metadata_profile) || - !zoned_profile_supported(BTRFS_BLOCK_GROUP_DATA | data_profile))) { - error("zoned mode does not yet support RAID/DUP profiles, please specify '-d single -m single' manually"); - goto error; +#if EXPERIMENTAL + if (opt_zoned && device_count) { + switch (data_profile & BTRFS_BLOCK_GROUP_PROFILE_MASK) { + case BTRFS_BLOCK_GROUP_DUP: + case BTRFS_BLOCK_GROUP_RAID1: + case BTRFS_BLOCK_GROUP_RAID1C3: + case BTRFS_BLOCK_GROUP_RAID1C4: + case BTRFS_BLOCK_GROUP_RAID0: + case BTRFS_BLOCK_GROUP_RAID10: + features.incompat_flags |= BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE; + break; + default: + break; + } + } +#endif + + if (opt_zoned) { + u64 metadata = BTRFS_BLOCK_GROUP_METADATA | metadata_profile; + u64 data = BTRFS_BLOCK_GROUP_DATA | data_profile; + bool rst = false; + +#if EXPERIMENTAL + if (features.incompat_flags & BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE) + rst = true; +#endif + + if (!zoned_profile_supported(metadata, rst) || + !zoned_profile_supported(data, rst)) { + error("zoned mode does not yet support RAID/DUP profiles, please specify '-d single -m single' manually"); + goto error; + } } t_prepare = calloc(device_count, sizeof(*t_prepare)); @@ -1585,6 +1643,14 @@ int BOX_MAIN(mkfs)(int argc, char **argv) goto error; } + if (features.incompat_flags & BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE) { + ret = setup_raid_stripe_tree_root(fs_info); + if (ret < 0) { + error("failed to initialize raid-stripe-tree: %d (%m)", ret); + goto out; + } + } + trans = btrfs_start_transaction(root, 1); if (IS_ERR(trans)) { errno = -PTR_ERR(trans);