diff options
| -rw-r--r-- | btrfs-show-super.c | 2 | ||||
| -rw-r--r-- | ctree.h | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/btrfs-show-super.c b/btrfs-show-super.c index f587f106..c815469a 100644 --- a/btrfs-show-super.c +++ b/btrfs-show-super.c @@ -247,6 +247,8 @@ static void dump_superblock(struct btrfs_super_block *sb) (unsigned long long)btrfs_super_csum_size(sb)); printf("cache_generation\t%llu\n", (unsigned long long)btrfs_super_cache_generation(sb)); + printf("uuid_tree_generation\t%llu\n", + (unsigned long long)btrfs_super_uuid_tree_generation(sb)); uuid_unparse(sb->dev_item.uuid, buf); printf("dev_item.uuid\t\t%s\n", buf); @@ -437,9 +437,10 @@ struct btrfs_super_block { char label[BTRFS_LABEL_SIZE]; __le64 cache_generation; + __le64 uuid_tree_generation; /* future expansion */ - __le64 reserved[31]; + __le64 reserved[30]; u8 sys_chunk_array[BTRFS_SYSTEM_CHUNK_ARRAY_SIZE]; struct btrfs_root_backup super_roots[BTRFS_NUM_BACKUP_ROOTS]; } __attribute__ ((__packed__)); @@ -1934,6 +1935,8 @@ BTRFS_SETGET_STACK_FUNCS(super_csum_type, struct btrfs_super_block, csum_type, 16); BTRFS_SETGET_STACK_FUNCS(super_cache_generation, struct btrfs_super_block, cache_generation, 64); +BTRFS_SETGET_STACK_FUNCS(super_uuid_tree_generation, struct btrfs_super_block, + uuid_tree_generation, 64); static inline int btrfs_super_csum_size(struct btrfs_super_block *s) { |