diff options
Diffstat (limited to 'fs/btrfs/print-tree.c')
| -rw-r--r-- | fs/btrfs/print-tree.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index 80567c11ec12..7695c4783d33 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -7,6 +7,44 @@ #include "disk-io.h" #include "print-tree.h" +struct root_name_map { + u64 id; + char name[16]; +}; + +static const struct root_name_map root_map[] = { + { BTRFS_ROOT_TREE_OBJECTID, "ROOT_TREE" }, + { BTRFS_EXTENT_TREE_OBJECTID, "EXTENT_TREE" }, + { BTRFS_CHUNK_TREE_OBJECTID, "CHUNK_TREE" }, + { BTRFS_DEV_TREE_OBJECTID, "DEV_TREE" }, + { BTRFS_FS_TREE_OBJECTID, "FS_TREE" }, + { BTRFS_CSUM_TREE_OBJECTID, "CSUM_TREE" }, + { BTRFS_TREE_LOG_OBJECTID, "TREE_LOG" }, + { BTRFS_QUOTA_TREE_OBJECTID, "QUOTA_TREE" }, + { BTRFS_UUID_TREE_OBJECTID, "UUID_TREE" }, + { BTRFS_FREE_SPACE_TREE_OBJECTID, "FREE_SPACE_TREE" }, + { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" }, +}; + +const char *btrfs_root_name(u64 objectid, char *buf) +{ + int i; + + if (objectid == BTRFS_TREE_RELOC_OBJECTID) { + snprintf(buf, BTRFS_ROOT_NAME_BUF_LEN, + "TREE_RELOC offset=%llu", objectid); + return buf; + } + + for (i = 0; i < ARRAY_SIZE(root_map); i++) { + if (root_map[i].id == objectid) + return root_map[i].name; + } + + snprintf(buf, BTRFS_ROOT_NAME_BUF_LEN, "%llu", objectid); + return buf; +} + static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) { int num_stripes = btrfs_chunk_num_stripes(eb, chunk); |