diff options
Diffstat (limited to 'print-tree.c')
| -rw-r--r-- | print-tree.c | 326 |
1 files changed, 286 insertions, 40 deletions
diff --git a/print-tree.c b/print-tree.c index 6039699..aae47a9 100644 --- a/print-tree.c +++ b/print-tree.c @@ -48,6 +48,12 @@ static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item, read_extent_buffer(eb, namebuf, (unsigned long)(di + 1), len); printf("\t\tnamelen %u datalen %u name: %.*s\n", name_len, data_len, len, namebuf); + if (data_len) { + len = (data_len <= sizeof(namebuf))? data_len: sizeof(namebuf); + read_extent_buffer(eb, namebuf, + (unsigned long)(di + 1) + name_len, len); + printf("\t\tdata %.*s\n", len, namebuf); + } len = sizeof(*di) + name_len + data_len; di = (struct btrfs_dir_item *)((char *)di + len); cur += len; @@ -55,6 +61,42 @@ static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item, return 0; } +static int print_inode_extref_item(struct extent_buffer *eb, + struct btrfs_item *item, + struct btrfs_inode_extref *extref) +{ + u32 total; + u32 cur = 0; + u32 len; + u32 name_len = 0; + u64 index = 0; + u64 parent_objid; + char namebuf[BTRFS_NAME_LEN]; + + total = btrfs_item_size(eb, item); + + while (cur < total) { + index = btrfs_inode_extref_index(eb, extref); + name_len = btrfs_inode_extref_name_len(eb, extref); + parent_objid = btrfs_inode_extref_parent(eb, extref); + + len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf); + + read_extent_buffer(eb, namebuf, (unsigned long)(extref->name), len); + + printf("\t\tinode extref index %llu parent %llu namelen %u " + "name: %.*s\n", + (unsigned long long)index, + (unsigned long long)parent_objid, + name_len, len, namebuf); + + len = sizeof(*extref) + name_len; + extref = (struct btrfs_inode_extref *)((char *)extref + len); + cur += len; + } + return 0; +} + static int print_inode_ref_item(struct extent_buffer *eb, struct btrfs_item *item, struct btrfs_inode_ref *ref) { @@ -94,6 +136,7 @@ static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) (unsigned long long)btrfs_stripe_offset_nr(eb, chunk, i)); } } + static void print_dev_item(struct extent_buffer *eb, struct btrfs_dev_item *dev_item) { @@ -159,7 +202,7 @@ static void print_file_extent_item(struct extent_buffer *eb, btrfs_file_extent_compression(eb, fi)); } -static void print_extent_item(struct extent_buffer *eb, int slot) +static void print_extent_item(struct extent_buffer *eb, int slot, int metadata) { struct btrfs_extent_item *ei; struct btrfs_extent_inline_ref *iref; @@ -194,17 +237,21 @@ static void print_extent_item(struct extent_buffer *eb, int slot) (unsigned long long)btrfs_extent_generation(eb, ei), (unsigned long long)flags); - if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) { + if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK && !metadata) { struct btrfs_tree_block_info *info; info = (struct btrfs_tree_block_info *)(ei + 1); btrfs_tree_block_key(eb, info, &key); - printf("\t\ttree block key (%llu %x %llu) level %d\n", - (unsigned long long)btrfs_disk_key_objectid(&key), - key.type, - (unsigned long long)btrfs_disk_key_offset(&key), - btrfs_tree_block_level(eb, info)); + printf("\t\ttree block "); + btrfs_print_key(&key); + printf(" level %d\n", btrfs_tree_block_level(eb, info)); iref = (struct btrfs_extent_inline_ref *)(info + 1); - } else { + } else if (metadata) { + struct btrfs_key tmp; + + btrfs_item_key_to_cpu(eb, &tmp, slot); + printf("\t\ttree block skinny level %d\n", (int)tmp.offset); + iref = (struct btrfs_extent_inline_ref *)(ei + 1); + } else{ iref = (struct btrfs_extent_inline_ref *)(ei + 1); } @@ -239,7 +286,7 @@ static void print_extent_item(struct extent_buffer *eb, int slot) btrfs_shared_data_ref_count(eb, sref)); break; default: - BUG(); + return; } ptr += btrfs_extent_inline_ref_size(type); } @@ -276,8 +323,89 @@ static void print_root_ref(struct extent_buffer *leaf, int slot, char *tag) namelen, namebuf); } -static void print_key_type(u8 type) +static int count_bytes(void *buf, int len, char b) +{ + int cnt = 0; + int i; + for (i = 0; i < len; i++) { + if (((char*)buf)[i] == b) + cnt++; + } + return cnt; +} + +static void print_root(struct extent_buffer *leaf, int slot) +{ + struct btrfs_root_item *ri; + struct btrfs_root_item root_item; + int len; + char uuid_str[128]; + + ri = btrfs_item_ptr(leaf, slot, struct btrfs_root_item); + len = btrfs_item_size_nr(leaf, slot); + + memset(&root_item, 0, sizeof(root_item)); + read_extent_buffer(leaf, &root_item, (unsigned long)ri, len); + + printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu\n", + (unsigned long long)btrfs_root_bytenr(&root_item), + btrfs_root_level(&root_item), + (unsigned long long)btrfs_root_dirid(&root_item), + btrfs_root_refs(&root_item), + (unsigned long long)btrfs_root_generation(&root_item)); + + if (root_item.generation == root_item.generation_v2) { + uuid_unparse(root_item.uuid, uuid_str); + printf("\t\tuuid %s\n", uuid_str); + if (count_bytes(root_item.parent_uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) { + uuid_unparse(root_item.parent_uuid, uuid_str); + printf("\t\tparent_uuid %s\n", uuid_str); + } + if (count_bytes(root_item.received_uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) { + uuid_unparse(root_item.received_uuid, uuid_str); + printf("\t\treceived_uuid %s\n", uuid_str); + } + if (root_item.ctransid) { + printf("\t\tctransid %llu otransid %llu stransid %llu rtransid %llu\n", + btrfs_root_ctransid(&root_item), + btrfs_root_otransid(&root_item), + btrfs_root_stransid(&root_item), + btrfs_root_rtransid(&root_item)); + } + } + if (btrfs_root_refs(&root_item) == 0) { + struct btrfs_key drop_key; + btrfs_disk_key_to_cpu(&drop_key, + &root_item.drop_progress); + printf("\t\tdrop "); + btrfs_print_key(&root_item.drop_progress); + printf(" level %d\n", root_item.drop_level); + } +} + +static void print_free_space_header(struct extent_buffer *leaf, int slot) +{ + struct btrfs_free_space_header *header; + struct btrfs_disk_key location; + + header = btrfs_item_ptr(leaf, slot, struct btrfs_free_space_header); + btrfs_free_space_key(leaf, header, &location); + printf("\t\tlocation "); + btrfs_print_key(&location); + printf("\n"); + printf("\t\tcache generation %llu entries %llu bitmaps %llu\n", + (unsigned long long)btrfs_free_space_generation(leaf, header), + (unsigned long long)btrfs_free_space_entries(leaf, header), + (unsigned long long)btrfs_free_space_bitmaps(leaf, header)); +} + +static void print_key_type(u64 objectid, u8 type) { + if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID) { + printf("UNTYPED"); + return; + } + switch (type) { case BTRFS_INODE_ITEM_KEY: printf("INODE_ITEM"); @@ -285,6 +413,9 @@ static void print_key_type(u8 type) case BTRFS_INODE_REF_KEY: printf("INODE_REF"); break; + case BTRFS_INODE_EXTREF_KEY: + printf("INODE_EXTREF"); + break; case BTRFS_DIR_ITEM_KEY: printf("DIR_ITEM"); break; @@ -315,6 +446,9 @@ static void print_key_type(u8 type) case BTRFS_EXTENT_ITEM_KEY: printf("EXTENT_ITEM"); break; + case BTRFS_METADATA_ITEM_KEY: + printf("METADATA_ITEM"); + break; case BTRFS_TREE_BLOCK_REF_KEY: printf("TREE_BLOCK_REF"); break; @@ -351,18 +485,45 @@ static void print_key_type(u8 type) case BTRFS_DEV_EXTENT_KEY: printf("DEV_EXTENT"); break; + case BTRFS_BALANCE_ITEM_KEY: + printf("BALANCE_ITEM"); + break; + case BTRFS_DEV_REPLACE_KEY: + printf("DEV_REPLACE_ITEM"); + break; case BTRFS_STRING_ITEM_KEY: printf("STRING_ITEM"); break; + case BTRFS_QGROUP_STATUS_KEY: + printf("BTRFS_STATUS_KEY"); + break; + case BTRFS_QGROUP_RELATION_KEY: + printf("BTRFS_QGROUP_RELATION_KEY"); + break; + case BTRFS_QGROUP_INFO_KEY: + printf("BTRFS_QGROUP_INFO_KEY"); + break; + case BTRFS_QGROUP_LIMIT_KEY: + printf("BTRFS_QGROUP_LIMIT_KEY"); + break; + case BTRFS_DEV_STATS_KEY: + printf("DEV_STATS_ITEM"); + break; default: - printf("UNKNOWN"); + printf("UNKNOWN.%d", type); }; } -static void print_objectid(unsigned long long objectid, u8 type) +static void print_objectid(u64 objectid, u8 type) { if (type == BTRFS_DEV_EXTENT_KEY) { - printf("%llu", objectid); /* device id */ + printf("%llu", (unsigned long long)objectid); /* device id */ + return; + } + switch (type) { + case BTRFS_QGROUP_RELATION_KEY: + printf("%llu/%llu", objectid >> 48, + objectid & ((1ll << 48) - 1)); return; } @@ -391,6 +552,9 @@ static void print_objectid(unsigned long long objectid, u8 type) case BTRFS_CSUM_TREE_OBJECTID: printf("CSUM_TREE"); break; + case BTRFS_BALANCE_OBJECTID: + printf("BALANCE"); + break; case BTRFS_ORPHAN_OBJECTID: printf("ORPHAN"); break; @@ -409,9 +573,21 @@ static void print_objectid(unsigned long long objectid, u8 type) case BTRFS_EXTENT_CSUM_OBJECTID: printf("EXTENT_CSUM"); break; + case BTRFS_FREE_SPACE_OBJECTID: + printf("FREE_SPACE"); + break; + case BTRFS_FREE_INO_OBJECTID: + printf("FREE_INO"); + break; + case BTRFS_QUOTA_TREE_OBJECTID: + printf("QUOTA_TREE"); + break; case BTRFS_MULTIPLE_OBJECTIDS: printf("MULTIPLE"); break; + case (u64)-1: + printf("-1"); + break; case BTRFS_FIRST_CHUNK_TREE_OBJECTID: if (type == BTRFS_CHUNK_ITEM_KEY) { printf("FIRST_CHUNK_TREE"); @@ -419,20 +595,34 @@ static void print_objectid(unsigned long long objectid, u8 type) } /* fall-thru */ default: - printf("%llu", objectid); + printf("%llu", (unsigned long long)objectid); } } void btrfs_print_key(struct btrfs_disk_key *disk_key) { - u8 type; + u64 objectid = btrfs_disk_key_objectid(disk_key); + u8 type = btrfs_disk_key_type(disk_key); + u64 offset = btrfs_disk_key_offset(disk_key); + printf("key ("); - type = btrfs_disk_key_type(disk_key); - print_objectid((unsigned long long)btrfs_disk_key_objectid(disk_key), - type); + print_objectid(objectid, type); printf(" "); - print_key_type(type); - printf(" %llu)", (unsigned long long)btrfs_disk_key_offset(disk_key)); + print_key_type(objectid, type); + switch (type) { + case BTRFS_QGROUP_RELATION_KEY: + case BTRFS_QGROUP_INFO_KEY: + case BTRFS_QGROUP_LIMIT_KEY: + printf(" %llu/%llu)", (unsigned long long)(offset >> 48), + (unsigned long long)(offset & ((1ll << 48) - 1))); + break; + default: + if (offset == (u64)-1) + printf(" -1)"); + else + printf(" %llu)", (unsigned long long)offset); + break; + } } void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) @@ -440,7 +630,6 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) int i; char *str; struct btrfs_item *item; - struct btrfs_root_item *ri; struct btrfs_dir_item *di; struct btrfs_inode_item *ii; struct btrfs_file_extent_item *fi; @@ -448,12 +637,16 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) struct btrfs_extent_data_ref *dref; struct btrfs_shared_data_ref *sref; struct btrfs_inode_ref *iref; + struct btrfs_inode_extref *iref2; struct btrfs_dev_extent *dev_extent; struct btrfs_disk_key disk_key; - struct btrfs_root_item root_item; struct btrfs_block_group_item bg_item; struct btrfs_dir_log_item *dlog; + struct btrfs_qgroup_info_item *qg_info; + struct btrfs_qgroup_limit_item *qg_limit; + struct btrfs_qgroup_status_item *qg_status; u32 nr = btrfs_header_nritems(l); + u64 objectid; u32 type; printf("leaf %llu items %d free space %d generation %llu owner %llu\n", @@ -466,17 +659,23 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) for (i = 0 ; i < nr ; i++) { item = btrfs_item_nr(l, i); btrfs_item_key(l, &disk_key, i); + objectid = btrfs_disk_key_objectid(&disk_key); type = btrfs_disk_key_type(&disk_key); printf("\titem %d ", i); btrfs_print_key(&disk_key); printf(" itemoff %d itemsize %d\n", btrfs_item_offset(l, item), btrfs_item_size(l, item)); + + if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID) + print_free_space_header(l, i); + switch (type) { case BTRFS_INODE_ITEM_KEY: ii = btrfs_item_ptr(l, i, struct btrfs_inode_item); - printf("\t\tinode generation %llu size %llu block group %llu mode %o links %u\n", + printf("\t\tinode generation %llu transid %llu size %llu block group %llu mode %o links %u\n", (unsigned long long)btrfs_inode_generation(l, ii), + (unsigned long long)btrfs_inode_transid(l, ii), (unsigned long long)btrfs_inode_size(l, ii), (unsigned long long)btrfs_inode_block_group(l,ii), btrfs_inode_mode(l, ii), @@ -486,6 +685,10 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) iref = btrfs_item_ptr(l, i, struct btrfs_inode_ref); print_inode_ref_item(l, item, iref); break; + case BTRFS_INODE_EXTREF_KEY: + iref2 = btrfs_item_ptr(l, i, struct btrfs_inode_extref); + print_inode_extref_item(l, item, iref2); + break; case BTRFS_DIR_ITEM_KEY: case BTRFS_DIR_INDEX_KEY: case BTRFS_XATTR_ITEM_KEY: @@ -502,22 +705,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) printf("\t\torphan item\n"); break; case BTRFS_ROOT_ITEM_KEY: - ri = btrfs_item_ptr(l, i, struct btrfs_root_item); - read_extent_buffer(l, &root_item, (unsigned long)ri, sizeof(root_item)); - printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu\n", - (unsigned long long)btrfs_root_bytenr(&root_item), - btrfs_root_level(&root_item), - (unsigned long long)btrfs_root_dirid(&root_item), - btrfs_root_refs(&root_item), - (unsigned long long)btrfs_root_generation(&root_item)); - if (btrfs_root_refs(&root_item) == 0) { - struct btrfs_key drop_key; - btrfs_disk_key_to_cpu(&drop_key, - &root_item.drop_progress); - printf("\t\tdrop "); - btrfs_print_key(&root_item.drop_progress); - printf(" level %d\n", root_item.drop_level); - } + print_root(l, i); break; case BTRFS_ROOT_REF_KEY: print_root_ref(l, i, "ref"); @@ -526,7 +714,10 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) print_root_ref(l, i, "backref"); break; case BTRFS_EXTENT_ITEM_KEY: - print_extent_item(l, i); + print_extent_item(l, i, 0); + break; + case BTRFS_METADATA_ITEM_KEY: + print_extent_item(l, i, 1); break; case BTRFS_TREE_BLOCK_REF_KEY: printf("\t\ttree block backref\n"); @@ -598,11 +789,66 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) (unsigned long long) btrfs_dev_extent_length(l, dev_extent)); break; + case BTRFS_QGROUP_STATUS_KEY: + qg_status = btrfs_item_ptr(l, i, + struct btrfs_qgroup_status_item); + printf("\t\tversion %llu generation %llu flags %#llx " + "scan %lld\n", + (unsigned long long) + btrfs_qgroup_status_version(l, qg_status), + (unsigned long long) + btrfs_qgroup_status_generation(l, qg_status), + (unsigned long long) + btrfs_qgroup_status_flags(l, qg_status), + (unsigned long long) + btrfs_qgroup_status_scan(l, qg_status)); + break; + case BTRFS_QGROUP_RELATION_KEY: + break; + case BTRFS_QGROUP_INFO_KEY: + qg_info = btrfs_item_ptr(l, i, + struct btrfs_qgroup_info_item); + printf("\t\tgeneration %llu\n" + "\t\treferenced %lld referenced compressed %lld\n" + "\t\texclusive %lld exclusive compressed %lld\n", + (unsigned long long) + btrfs_qgroup_info_generation(l, qg_info), + (long long) + btrfs_qgroup_info_referenced(l, qg_info), + (long long) + btrfs_qgroup_info_referenced_compressed(l, + qg_info), + (long long) + btrfs_qgroup_info_exclusive(l, qg_info), + (long long) + btrfs_qgroup_info_exclusive_compressed(l, + qg_info)); + break; + case BTRFS_QGROUP_LIMIT_KEY: + qg_limit = btrfs_item_ptr(l, i, + struct btrfs_qgroup_limit_item); + printf("\t\tflags %llx\n" + "\t\tmax referenced %lld max exclusive %lld\n" + "\t\trsv referenced %lld rsv exclusive %lld\n", + (unsigned long long) + btrfs_qgroup_limit_flags(l, qg_limit), + (long long) + btrfs_qgroup_limit_max_referenced(l, qg_limit), + (long long) + btrfs_qgroup_limit_max_exclusive(l, qg_limit), + (long long) + btrfs_qgroup_limit_rsv_referenced(l, qg_limit), + (long long) + btrfs_qgroup_limit_rsv_exclusive(l, qg_limit)); + break; case BTRFS_STRING_ITEM_KEY: /* dirty, but it's simple */ str = l->data + btrfs_item_ptr_offset(l, i); printf("\t\titem data %.*s\n", btrfs_item_size(l, item), str); break; + case BTRFS_DEV_STATS_KEY: + printf("\t\tdevice stats\n"); + break; }; fflush(stdout); } |