diff options
Diffstat (limited to 'print-tree.c')
| -rw-r--r-- | print-tree.c | 842 |
1 files changed, 472 insertions, 370 deletions
diff --git a/print-tree.c b/print-tree.c index f97482f3..5af80e87 100644 --- a/print-tree.c +++ b/print-tree.c @@ -31,41 +31,26 @@ static void print_dir_item_type(struct extent_buffer *eb, struct btrfs_dir_item *di) { u8 type = btrfs_dir_type(eb, di); + static const char* dir_item_str[] = { + [BTRFS_FT_REG_FILE] = "FILE", + [BTRFS_FT_DIR] = "DIR", + [BTRFS_FT_CHRDEV] = "CHRDEV", + [BTRFS_FT_BLKDEV] = "BLKDEV", + [BTRFS_FT_FIFO] = "FIFO", + [BTRFS_FT_SOCK] = "SOCK", + [BTRFS_FT_SYMLINK] = "SYMLINK", + [BTRFS_FT_XATTR] = "XATTR" + }; - switch (type) { - case BTRFS_FT_REG_FILE: - printf("FILE"); - break; - case BTRFS_FT_DIR: - printf("DIR"); - break; - case BTRFS_FT_CHRDEV: - printf("CHRDEV"); - break; - case BTRFS_FT_BLKDEV: - printf("BLKDEV"); - break; - case BTRFS_FT_FIFO: - printf("FIFO"); - break; - case BTRFS_FT_SOCK: - printf("SOCK"); - break; - case BTRFS_FT_SYMLINK: - printf("SYMLINK"); - break; - case BTRFS_FT_XATTR: - printf("XATTR"); - break; - default: - printf("%u", type); - } + if (type < ARRAY_SIZE(dir_item_str) && dir_item_str[type]) + printf("%s", dir_item_str[type]); + else + printf("DIR_ITEM.%u", type); } -static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item, +static void print_dir_item(struct extent_buffer *eb, u32 size, struct btrfs_dir_item *di) { - u32 total; u32 cur = 0; u32 len; u32 name_len; @@ -73,8 +58,7 @@ static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item, char namebuf[BTRFS_NAME_LEN]; struct btrfs_disk_key location; - total = btrfs_item_size(eb, item); - while(cur < total) { + while (cur < size) { btrfs_dir_item_key(eb, di, &location); printf("\t\tlocation "); btrfs_print_key(&location); @@ -85,8 +69,10 @@ static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item, data_len = btrfs_dir_data_len(eb, di); len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf); 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); + printf("\t\ttransid %llu data_len %u name_len %u\n", + btrfs_dir_transid(eb, di), + data_len, name_len); + printf("\t\tname: %.*s\n", len, namebuf); if (data_len) { len = (data_len <= sizeof(namebuf))? data_len: sizeof(namebuf); read_extent_buffer(eb, namebuf, @@ -97,14 +83,11 @@ static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item, di = (struct btrfs_dir_item *)((char *)di + len); cur += len; } - return 0; } -static int print_inode_extref_item(struct extent_buffer *eb, - struct btrfs_item *item, - struct btrfs_inode_extref *extref) +static void print_inode_extref_item(struct extent_buffer *eb, u32 size, + struct btrfs_inode_extref *extref) { - u32 total; u32 cur = 0; u32 len; u32 name_len = 0; @@ -112,9 +95,7 @@ static int print_inode_extref_item(struct extent_buffer *eb, u64 parent_objid; char namebuf[BTRFS_NAME_LEN]; - total = btrfs_item_size(eb, item); - - while (cur < total) { + while (cur < size) { index = btrfs_inode_extref_index(eb, extref); name_len = btrfs_inode_extref_name_len(eb, extref); parent_objid = btrfs_inode_extref_parent(eb, extref); @@ -133,20 +114,18 @@ static int print_inode_extref_item(struct extent_buffer *eb, 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, +static void print_inode_ref_item(struct extent_buffer *eb, u32 size, struct btrfs_inode_ref *ref) { - u32 total; u32 cur = 0; u32 len; u32 name_len; u64 index; char namebuf[BTRFS_NAME_LEN]; - total = btrfs_item_size(eb, item); - while(cur < total) { + + while (cur < size) { name_len = btrfs_inode_ref_name_len(eb, ref); index = btrfs_inode_ref_index(eb, ref); len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf); @@ -157,7 +136,6 @@ static int print_inode_ref_item(struct extent_buffer *eb, struct btrfs_item *ite ref = (struct btrfs_inode_ref *)((char *)ref + len); cur += len; } - return 0; } /* Caller should ensure sizeof(*ret)>=21 "DATA|METADATA|RAID10" */ @@ -224,12 +202,17 @@ void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) char chunk_flags_str[32] = {0}; bg_flags_to_str(btrfs_chunk_type(eb, chunk), chunk_flags_str); - printf("\t\tchunk length %llu owner %llu stripe_len %llu\n", + printf("\t\tlength %llu owner %llu stripe_len %llu type %s\n", (unsigned long long)btrfs_chunk_length(eb, chunk), (unsigned long long)btrfs_chunk_owner(eb, chunk), - (unsigned long long)btrfs_chunk_stripe_len(eb, chunk)); - printf("\t\ttype %s num_stripes %d\n", - chunk_flags_str, num_stripes); + (unsigned long long)btrfs_chunk_stripe_len(eb, chunk), + chunk_flags_str); + printf("\t\tio_align %u io_width %u sector_size %u\n", + btrfs_chunk_io_align(eb, chunk), + btrfs_chunk_io_width(eb, chunk), + btrfs_chunk_sector_size(eb, chunk)); + printf("\t\tnum_stripes %hu sub_stripes %hu\n", num_stripes, + btrfs_chunk_sub_stripes(eb, chunk)); for (i = 0 ; i < num_stripes ; i++) { unsigned char dev_uuid[BTRFS_UUID_SIZE]; char str_dev_uuid[BTRFS_UUID_UNPARSED_SIZE]; @@ -241,27 +224,45 @@ void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) printf("\t\t\tstripe %d devid %llu offset %llu\n", i, (unsigned long long)btrfs_stripe_devid_nr(eb, chunk, i), (unsigned long long)btrfs_stripe_offset_nr(eb, chunk, i)); - printf("\t\t\tdev uuid: %s\n", str_dev_uuid); + printf("\t\t\tdev_uuid %s\n", str_dev_uuid); } } static void print_dev_item(struct extent_buffer *eb, struct btrfs_dev_item *dev_item) { - char disk_uuid_c[BTRFS_UUID_UNPARSED_SIZE]; - u8 disk_uuid[BTRFS_UUID_SIZE]; + char uuid_str[BTRFS_UUID_UNPARSED_SIZE]; + char fsid_str[BTRFS_UUID_UNPARSED_SIZE]; + u8 uuid[BTRFS_UUID_SIZE]; + u8 fsid[BTRFS_UUID_SIZE]; - read_extent_buffer(eb, disk_uuid, + read_extent_buffer(eb, uuid, (unsigned long)btrfs_device_uuid(dev_item), BTRFS_UUID_SIZE); - uuid_unparse(disk_uuid, disk_uuid_c); - printf("\t\tdev item devid %llu " - "total_bytes %llu bytes used %Lu\n" - "\t\tdev uuid %s\n", + uuid_unparse(uuid, uuid_str); + read_extent_buffer(eb, fsid, + (unsigned long)btrfs_device_fsid(dev_item), + BTRFS_UUID_SIZE); + uuid_unparse(fsid, fsid_str); + printf("\t\tdevid %llu total_bytes %llu bytes_used %Lu\n" + "\t\tio_align %u io_width %u sector_size %u type %llu\n" + "\t\tgeneration %llu start_offset %llu dev_group %u\n" + "\t\tseek_speed %hhu bandwidth %hhu\n" + "\t\tuuid %s\n" + "\t\tfsid %s\n", (unsigned long long)btrfs_device_id(eb, dev_item), (unsigned long long)btrfs_device_total_bytes(eb, dev_item), (unsigned long long)btrfs_device_bytes_used(eb, dev_item), - disk_uuid_c); + btrfs_device_io_align(eb, dev_item), + btrfs_device_io_width(eb, dev_item), + btrfs_device_sector_size(eb, dev_item), + (unsigned long long)btrfs_device_type(eb, dev_item), + (unsigned long long)btrfs_device_generation(eb, dev_item), + (unsigned long long)btrfs_device_start_offset(eb, dev_item), + btrfs_device_group(eb, dev_item), + btrfs_device_seek_speed(eb, dev_item), + btrfs_device_bandwidth(eb, dev_item), + uuid_str, fsid_str); } static void print_uuids(struct extent_buffer *eb) @@ -302,6 +303,16 @@ static void compress_type_to_str(u8 compress_type, char *ret) } } +static const char* file_extent_type_to_str(u8 type) +{ + switch (type) { + case BTRFS_FILE_EXTENT_INLINE: return "inline"; + case BTRFS_FILE_EXTENT_PREALLOC: return "prealloc"; + case BTRFS_FILE_EXTENT_REG: return "regular"; + default: return "unknown"; + } +} + static void print_file_extent_item(struct extent_buffer *eb, struct btrfs_item *item, int slot, @@ -313,12 +324,16 @@ static void print_file_extent_item(struct extent_buffer *eb, compress_type_to_str(btrfs_file_extent_compression(eb, fi), compress_str); + printf("\t\tgeneration %llu type %hhu (%s)\n", + btrfs_file_extent_generation(eb, fi), + extent_type, file_extent_type_to_str(extent_type)); + if (extent_type == BTRFS_FILE_EXTENT_INLINE) { - printf("\t\tinline extent data size %u " - "ram %u compress(%s)\n", - btrfs_file_extent_inline_item_len(eb, item), - btrfs_file_extent_inline_len(eb, slot, fi), - compress_str); + printf("\t\tinline extent data size %u ram_bytes %u compression %hhu (%s)\n", + btrfs_file_extent_inline_item_len(eb, item), + btrfs_file_extent_inline_len(eb, slot, fi), + btrfs_file_extent_compression(eb, fi), + compress_str); return; } if (extent_type == BTRFS_FILE_EXTENT_PREALLOC) { @@ -337,7 +352,9 @@ static void print_file_extent_item(struct extent_buffer *eb, (unsigned long long)btrfs_file_extent_offset(eb, fi), (unsigned long long)btrfs_file_extent_num_bytes(eb, fi), (unsigned long long)btrfs_file_extent_ram_bytes(eb, fi)); - printf("\t\textent compression(%s)\n", compress_str); + printf("\t\textent compression %hhu (%s)\n", + btrfs_file_extent_compression(eb, fi), + compress_str); } /* Caller should ensure sizeof(*ret) >= 16("DATA|TREE_BLOCK") */ @@ -470,7 +487,7 @@ static void print_extent_ref_v0(struct extent_buffer *eb, int slot) } #endif -static void print_root_ref(struct extent_buffer *leaf, int slot, char *tag) +static void print_root_ref(struct extent_buffer *leaf, int slot, const char *tag) { struct btrfs_root_ref *ref; char namebuf[BTRFS_NAME_LEN]; @@ -485,15 +502,14 @@ static void print_root_ref(struct extent_buffer *leaf, int slot, char *tag) namelen, namebuf); } -static int count_bytes(void *buf, int len, char b) +static int empty_uuid(const u8 *uuid) { - int cnt = 0; int i; - for (i = 0; i < len; i++) { - if (((char*)buf)[i] == b) - cnt++; - } - return cnt; + + for (i = 0; i < BTRFS_UUID_SIZE; i++) + if (uuid[i]) + return 0; + return 1; } /* @@ -514,6 +530,7 @@ static void print_root(struct extent_buffer *leaf, int slot) int len; char uuid_str[BTRFS_UUID_UNPARSED_SIZE]; char flags_str[32] = {0}; + struct btrfs_key drop_key; ri = btrfs_item_ptr(leaf, slot, struct btrfs_root_item); len = btrfs_item_size_nr(leaf, slot); @@ -522,24 +539,27 @@ static void print_root(struct extent_buffer *leaf, int slot) read_extent_buffer(leaf, &root_item, (unsigned long)ri, len); root_flags_to_str(btrfs_root_flags(&root_item), flags_str); - printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu lastsnap %llu\n", + printf("\t\tgeneration %llu root_dirid %llu bytenr %llu level %hhu refs %u\n", + (unsigned long long)btrfs_root_generation(&root_item), + (unsigned long long)btrfs_root_dirid(&root_item), (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), - (unsigned long long)btrfs_root_last_snapshot(&root_item)); - printf("\t\tflags 0x%llx(%s)\n", btrfs_root_flags(&root_item), - flags_str); + btrfs_root_refs(&root_item)); + printf("\t\tlastsnap %llu byte_limit %llu bytes_used %llu flags 0x%llx(%s)\n", + (unsigned long long)btrfs_root_last_snapshot(&root_item), + (unsigned long long)btrfs_root_limit(&root_item), + (unsigned long long)btrfs_root_used(&root_item), + (unsigned long long)btrfs_root_flags(&root_item), + flags_str); 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) { + if (!empty_uuid(root_item.parent_uuid)) { 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) { + if (!empty_uuid(root_item.received_uuid)) { uuid_unparse(root_item.received_uuid, uuid_str); printf("\t\treceived_uuid %s\n", uuid_str); } @@ -551,14 +571,11 @@ static void print_root(struct extent_buffer *leaf, int slot) 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); - } + + btrfs_disk_key_to_cpu(&drop_key, &root_item.drop_progress); + printf("\t\tdrop "); + btrfs_print_key(&root_item.drop_progress); + printf(" level %hhu\n", root_item.drop_level); } static void print_free_space_header(struct extent_buffer *leaf, int slot) @@ -579,132 +596,58 @@ static void print_free_space_header(struct extent_buffer *leaf, int slot) void print_key_type(FILE *stream, u64 objectid, u8 type) { + static const char* key_to_str[256] = { + [BTRFS_INODE_ITEM_KEY] = "INODE_ITEM", + [BTRFS_INODE_REF_KEY] = "INODE_REF", + [BTRFS_INODE_EXTREF_KEY] = "INODE_EXTREF", + [BTRFS_DIR_ITEM_KEY] = "DIR_ITEM", + [BTRFS_DIR_INDEX_KEY] = "DIR_INDEX", + [BTRFS_DIR_LOG_ITEM_KEY] = "DIR_LOG_ITEM", + [BTRFS_DIR_LOG_INDEX_KEY] = "DIR_LOG_INDEX", + [BTRFS_XATTR_ITEM_KEY] = "XATTR_ITEM", + [BTRFS_ORPHAN_ITEM_KEY] = "ORPHAN_ITEM", + [BTRFS_ROOT_ITEM_KEY] = "ROOT_ITEM", + [BTRFS_ROOT_REF_KEY] = "ROOT_REF", + [BTRFS_ROOT_BACKREF_KEY] = "ROOT_BACKREF", + [BTRFS_EXTENT_ITEM_KEY] = "EXTENT_ITEM", + [BTRFS_METADATA_ITEM_KEY] = "METADATA_ITEM", + [BTRFS_TREE_BLOCK_REF_KEY] = "TREE_BLOCK_REF", + [BTRFS_SHARED_BLOCK_REF_KEY] = "SHARED_BLOCK_REF", + [BTRFS_EXTENT_DATA_REF_KEY] = "EXTENT_DATA_REF", + [BTRFS_SHARED_DATA_REF_KEY] = "SHARED_DATA_REF", + [BTRFS_EXTENT_REF_V0_KEY] = "EXTENT_REF_V0", + [BTRFS_CSUM_ITEM_KEY] = "CSUM_ITEM", + [BTRFS_EXTENT_CSUM_KEY] = "EXTENT_CSUM", + [BTRFS_EXTENT_DATA_KEY] = "EXTENT_DATA", + [BTRFS_BLOCK_GROUP_ITEM_KEY] = "BLOCK_GROUP_ITEM", + [BTRFS_FREE_SPACE_INFO_KEY] = "FREE_SPACE_INFO", + [BTRFS_FREE_SPACE_EXTENT_KEY] = "FREE_SPACE_EXTENT", + [BTRFS_FREE_SPACE_BITMAP_KEY] = "FREE_SPACE_BITMAP", + [BTRFS_CHUNK_ITEM_KEY] = "CHUNK_ITEM", + [BTRFS_DEV_ITEM_KEY] = "DEV_ITEM", + [BTRFS_DEV_EXTENT_KEY] = "DEV_EXTENT", + [BTRFS_TEMPORARY_ITEM_KEY] = "TEMPORARY_ITEM", + [BTRFS_DEV_REPLACE_KEY] = "DEV_REPLACE", + [BTRFS_STRING_ITEM_KEY] = "STRING_ITEM", + [BTRFS_QGROUP_STATUS_KEY] = "QGROUP_STATUS", + [BTRFS_QGROUP_RELATION_KEY] = "QGROUP_RELATION", + [BTRFS_QGROUP_INFO_KEY] = "QGROUP_INFO", + [BTRFS_QGROUP_LIMIT_KEY] = "QGROUP_LIMIT", + [BTRFS_PERSISTENT_ITEM_KEY] = "PERSISTENT_ITEM", + [BTRFS_UUID_KEY_SUBVOL] = "UUID_KEY_SUBVOL", + [BTRFS_UUID_KEY_RECEIVED_SUBVOL] = "UUID_KEY_RECEIVED_SUBVOL", + }; + if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID) { fprintf(stream, "UNTYPED"); return; } - switch (type) { - case BTRFS_INODE_ITEM_KEY: - fprintf(stream, "INODE_ITEM"); - break; - case BTRFS_INODE_REF_KEY: - fprintf(stream, "INODE_REF"); - break; - case BTRFS_INODE_EXTREF_KEY: - fprintf(stream, "INODE_EXTREF"); - break; - case BTRFS_DIR_ITEM_KEY: - fprintf(stream, "DIR_ITEM"); - break; - case BTRFS_DIR_INDEX_KEY: - fprintf(stream, "DIR_INDEX"); - break; - case BTRFS_DIR_LOG_ITEM_KEY: - fprintf(stream, "DIR_LOG_ITEM"); - break; - case BTRFS_DIR_LOG_INDEX_KEY: - fprintf(stream, "DIR_LOG_INDEX"); - break; - case BTRFS_XATTR_ITEM_KEY: - fprintf(stream, "XATTR_ITEM"); - break; - case BTRFS_ORPHAN_ITEM_KEY: - fprintf(stream, "ORPHAN_ITEM"); - break; - case BTRFS_ROOT_ITEM_KEY: - fprintf(stream, "ROOT_ITEM"); - break; - case BTRFS_ROOT_REF_KEY: - fprintf(stream, "ROOT_REF"); - break; - case BTRFS_ROOT_BACKREF_KEY: - fprintf(stream, "ROOT_BACKREF"); - break; - case BTRFS_EXTENT_ITEM_KEY: - fprintf(stream, "EXTENT_ITEM"); - break; - case BTRFS_METADATA_ITEM_KEY: - fprintf(stream, "METADATA_ITEM"); - break; - case BTRFS_TREE_BLOCK_REF_KEY: - fprintf(stream, "TREE_BLOCK_REF"); - break; - case BTRFS_SHARED_BLOCK_REF_KEY: - fprintf(stream, "SHARED_BLOCK_REF"); - break; - case BTRFS_EXTENT_DATA_REF_KEY: - fprintf(stream, "EXTENT_DATA_REF"); - break; - case BTRFS_SHARED_DATA_REF_KEY: - fprintf(stream, "SHARED_DATA_REF"); - break; - case BTRFS_EXTENT_REF_V0_KEY: - fprintf(stream, "EXTENT_REF_V0"); - break; - case BTRFS_CSUM_ITEM_KEY: - fprintf(stream, "CSUM_ITEM"); - break; - case BTRFS_EXTENT_CSUM_KEY: - fprintf(stream, "EXTENT_CSUM"); - break; - case BTRFS_EXTENT_DATA_KEY: - fprintf(stream, "EXTENT_DATA"); - break; - case BTRFS_BLOCK_GROUP_ITEM_KEY: - fprintf(stream, "BLOCK_GROUP_ITEM"); - break; - case BTRFS_FREE_SPACE_INFO_KEY: - fprintf(stream, "FREE_SPACE_INFO"); - break; - case BTRFS_FREE_SPACE_EXTENT_KEY: - fprintf(stream, "FREE_SPACE_EXTENT"); - break; - case BTRFS_FREE_SPACE_BITMAP_KEY: - fprintf(stream, "FREE_SPACE_BITMAP"); - break; - case BTRFS_CHUNK_ITEM_KEY: - fprintf(stream, "CHUNK_ITEM"); - break; - case BTRFS_DEV_ITEM_KEY: - fprintf(stream, "DEV_ITEM"); - break; - case BTRFS_DEV_EXTENT_KEY: - fprintf(stream, "DEV_EXTENT"); - break; - case BTRFS_BALANCE_ITEM_KEY: - fprintf(stream, "BALANCE_ITEM"); - break; - case BTRFS_DEV_REPLACE_KEY: - fprintf(stream, "DEV_REPLACE"); - break; - case BTRFS_STRING_ITEM_KEY: - fprintf(stream, "STRING_ITEM"); - break; - case BTRFS_QGROUP_STATUS_KEY: - fprintf(stream, "QGROUP_STATUS"); - break; - case BTRFS_QGROUP_RELATION_KEY: - fprintf(stream, "QGROUP_RELATION"); - break; - case BTRFS_QGROUP_INFO_KEY: - fprintf(stream, "QGROUP_INFO"); - break; - case BTRFS_QGROUP_LIMIT_KEY: - fprintf(stream, "QGROUP_LIMIT"); - break; - case BTRFS_DEV_STATS_KEY: - fprintf(stream, "DEV_STATS"); - break; - case BTRFS_UUID_KEY_SUBVOL: - fprintf(stream, "UUID_KEY_SUBVOL"); - break; - case BTRFS_UUID_KEY_RECEIVED_SUBVOL: - fprintf(stream, "UUID_KEY_RECEIVED_SUBVOL"); - break; - default: + + if (key_to_str[type]) + fputs(key_to_str[type], stream); + else fprintf(stream, "UNKNOWN.%d", type); - }; } void print_objectid(FILE *stream, u64 objectid, u8 type) @@ -851,138 +794,237 @@ static void print_uuid_item(struct extent_buffer *l, unsigned long offset, } } -/* Caller should ensure sizeof(*ret) >= 29 "NODATASUM|NODATACOW|READONLY" */ +/* Btrfs inode flag stringification helper */ +#define STRCAT_ONE_INODE_FLAG(flags, name, empty, dst) ({ \ + if (flags & BTRFS_INODE_##name) { \ + if (!empty) \ + strcat(dst, "|"); \ + strcat(dst, #name); \ + empty = 0; \ + } \ +}) + +/* + * Caller should ensure sizeof(*ret) >= 102: all charactors plus '|' of + * BTRFS_INODE_* flags + */ static void inode_flags_to_str(u64 flags, char *ret) { int empty = 1; - if (flags & BTRFS_INODE_NODATASUM) { - empty = 0; - strcpy(ret, "NODATASUM"); - } - if (flags & BTRFS_INODE_NODATACOW) { - if (!empty) { - empty = 0; - strcat(ret, "|"); - } - strcat(ret, "NODATACOW"); - } - if (flags & BTRFS_INODE_READONLY) { - if (!empty) { - empty = 0; - strcat(ret, "|"); - } - strcat(ret, "READONLY"); - } + STRCAT_ONE_INODE_FLAG(flags, NODATASUM, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, NODATACOW, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, READONLY, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, NOCOMPRESS, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, PREALLOC, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, SYNC, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, IMMUTABLE, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, APPEND, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, NODUMP, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, NOATIME, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, DIRSYNC, empty, ret); + STRCAT_ONE_INODE_FLAG(flags, COMPRESS, empty, ret); if (empty) strcat(ret, "none"); } -void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) +static void print_timespec(struct extent_buffer *eb, + struct btrfs_timespec *timespec, const char *prefix, + const char *suffix) +{ + struct tm tm; + u64 tmp_u64; + u32 tmp_u32; + time_t tmp_time; + char timestamp[256]; + + tmp_u64 = btrfs_timespec_sec(eb, timespec); + tmp_u32 = btrfs_timespec_nsec(eb, timespec); + tmp_time = tmp_u64; + localtime_r(&tmp_time, &tm); + strftime(timestamp, sizeof(timestamp), + "%Y-%m-%d %H:%M:%S", &tm); + printf("%s%llu.%u (%s)%s", prefix, (unsigned long long)tmp_u64, tmp_u32, + timestamp, suffix); +} + +static void print_inode_item(struct extent_buffer *eb, + struct btrfs_inode_item *ii) +{ + char flags_str[256]; + + memset(flags_str, 0, sizeof(flags_str)); + inode_flags_to_str(btrfs_inode_flags(eb, ii), flags_str); + printf("\t\tinode generation %llu transid %llu size %llu nbytes %llu\n" + "\t\tblock group %llu mode %o links %u uid %u gid %u rdev %llu\n" + "\t\tsequence %llu flags 0x%llx(%s)\n", + (unsigned long long)btrfs_inode_generation(eb, ii), + (unsigned long long)btrfs_inode_transid(eb, ii), + (unsigned long long)btrfs_inode_size(eb, ii), + (unsigned long long)btrfs_inode_nbytes(eb, ii), + (unsigned long long)btrfs_inode_block_group(eb,ii), + btrfs_inode_mode(eb, ii), + btrfs_inode_nlink(eb, ii), + btrfs_inode_uid(eb, ii), + btrfs_inode_gid(eb, ii), + (unsigned long long)btrfs_inode_rdev(eb,ii), + (unsigned long long)btrfs_inode_flags(eb,ii), + (unsigned long long)btrfs_inode_sequence(eb, ii), + flags_str); + print_timespec(eb, btrfs_inode_atime(ii), "\t\tatime ", "\n"); + print_timespec(eb, btrfs_inode_ctime(ii), "\t\tctime ", "\n"); + print_timespec(eb, btrfs_inode_mtime(ii), "\t\tmtime ", "\n"); + print_timespec(eb, btrfs_inode_otime(ii), "\t\totime ", "\n"); +} + +static void print_disk_balance_args(struct btrfs_disk_balance_args *ba) +{ + printf("\t\tprofiles %llu devid %llu target %llu flags %llu\n", + (unsigned long long)le64_to_cpu(ba->profiles), + (unsigned long long)le64_to_cpu(ba->devid), + (unsigned long long)le64_to_cpu(ba->target), + (unsigned long long)le64_to_cpu(ba->flags)); + printf("\t\tusage_min %u usage_max %u pstart %llu pend %llu\n", + le32_to_cpu(ba->usage_min), + le32_to_cpu(ba->usage_max), + (unsigned long long)le64_to_cpu(ba->pstart), + (unsigned long long)le64_to_cpu(ba->pend)); + printf("\t\tvstart %llu vend %llu limit_min %u limit_max %u\n", + (unsigned long long)le64_to_cpu(ba->vstart), + (unsigned long long)le64_to_cpu(ba->vend), + le32_to_cpu(ba->limit_min), + le32_to_cpu(ba->limit_max)); + printf("\t\tstripes_min %u stripes_max %u\n", + le32_to_cpu(ba->stripes_min), + le32_to_cpu(ba->stripes_max)); +} + +static void print_balance_item(struct extent_buffer *eb, + struct btrfs_balance_item *bi) +{ + printf("\t\tbalance status flags %llu\n", + btrfs_balance_item_flags(eb, bi)); + + printf("\t\tDATA\n"); + print_disk_balance_args(btrfs_balance_item_data(eb, bi)); + printf("\t\tMETADATA\n"); + print_disk_balance_args(btrfs_balance_item_meta(eb, bi)); + printf("\t\tSYSTEM\n"); + print_disk_balance_args(btrfs_balance_item_sys(eb, bi)); +} + +static void print_dev_stats(struct extent_buffer *eb, + struct btrfs_dev_stats_item *stats, u32 size) { int i; - char *str; + u32 known = BTRFS_DEV_STAT_VALUES_MAX * sizeof(__le64); + __le64 *values = btrfs_dev_stats_values(eb, stats); + + printf("\t\tdevice stats\n"); + printf("\t\twrite_errs %llu read_errs %llu flush_errs %llu corruption_errs %llu generation %llu\n", + (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_WRITE_ERRS]), + (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_READ_ERRS]), + (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_FLUSH_ERRS]), + (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_CORRUPTION_ERRS]), + (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_GENERATION_ERRS])); + + if (known < size) { + printf("\t\tunknown stats item bytes %u", size - known); + for (i = BTRFS_DEV_STAT_VALUES_MAX; i * sizeof(__le64) < size; i++) { + printf("\t\tunknown item %u offset %zu value %llu\n", + i, i * sizeof(__le64), + (unsigned long long)le64_to_cpu(values[i])); + } + } +} + +void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb) +{ struct btrfs_item *item; - struct btrfs_dir_item *di; - struct btrfs_inode_item *ii; - struct btrfs_file_extent_item *fi; - struct btrfs_block_group_item *bi; - 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_block_group_item bg_item; - struct btrfs_free_space_info *free_info; - 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; - char flags_str[32]; + u32 i; + u32 nr; + + nr = btrfs_header_nritems(eb); printf("leaf %llu items %d free space %d generation %llu owner %llu\n", - (unsigned long long)btrfs_header_bytenr(l), nr, - btrfs_leaf_free_space(root, l), - (unsigned long long)btrfs_header_generation(l), - (unsigned long long)btrfs_header_owner(l)); - print_uuids(l); + (unsigned long long)btrfs_header_bytenr(eb), nr, + btrfs_leaf_free_space(root, eb), + (unsigned long long)btrfs_header_generation(eb), + (unsigned long long)btrfs_header_owner(eb)); + print_uuids(eb); fflush(stdout); - for (i = 0 ; i < nr ; i++) { + + for (i = 0; i < nr; i++) { + u32 item_size; + void *ptr; + u64 objectid; + u32 type; + u64 offset; + char flags_str[256]; + char uuid_str[BTRFS_UUID_UNPARSED_SIZE]; + u8 uuid[BTRFS_UUID_SIZE]; + item = btrfs_item_nr(i); - btrfs_item_key(l, &disk_key, i); + item_size = btrfs_item_size(eb, item); + /* Untyped extraction of slot from btrfs_item_ptr */ + ptr = btrfs_item_ptr(eb, i, void*); + + btrfs_item_key(eb, &disk_key, i); objectid = btrfs_disk_key_objectid(&disk_key); type = btrfs_disk_key_type(&disk_key); + offset = btrfs_disk_key_offset(&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)); + btrfs_item_offset(eb, item), + btrfs_item_size(eb, item)); if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID) - print_free_space_header(l, i); + print_free_space_header(eb, i); switch (type) { case BTRFS_INODE_ITEM_KEY: - memset(flags_str, 0, sizeof(flags_str)); - ii = btrfs_item_ptr(l, i, struct btrfs_inode_item); - inode_flags_to_str(btrfs_inode_flags(l, ii), flags_str); - printf("\t\tinode generation %llu transid %llu size %llu nbytes %llu\n" - "\t\tblock group %llu mode %o links %u uid %u gid %u\n" - "\t\trdev %llu flags 0x%llx(%s)\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_nbytes(l, ii), - (unsigned long long)btrfs_inode_block_group(l,ii), - btrfs_inode_mode(l, ii), - btrfs_inode_nlink(l, ii), - btrfs_inode_uid(l, ii), - btrfs_inode_gid(l, ii), - (unsigned long long)btrfs_inode_rdev(l,ii), - (unsigned long long)btrfs_inode_flags(l,ii), - flags_str); + print_inode_item(eb, ptr); break; case BTRFS_INODE_REF_KEY: - iref = btrfs_item_ptr(l, i, struct btrfs_inode_ref); - print_inode_ref_item(l, item, iref); + print_inode_ref_item(eb, item_size, ptr); break; case BTRFS_INODE_EXTREF_KEY: - iref2 = btrfs_item_ptr(l, i, struct btrfs_inode_extref); - print_inode_extref_item(l, item, iref2); + print_inode_extref_item(eb, item_size, ptr); break; case BTRFS_DIR_ITEM_KEY: case BTRFS_DIR_INDEX_KEY: case BTRFS_XATTR_ITEM_KEY: - di = btrfs_item_ptr(l, i, struct btrfs_dir_item); - print_dir_item(l, item, di); + print_dir_item(eb, item_size, ptr); break; case BTRFS_DIR_LOG_INDEX_KEY: - case BTRFS_DIR_LOG_ITEM_KEY: - dlog = btrfs_item_ptr(l, i, struct btrfs_dir_log_item); + case BTRFS_DIR_LOG_ITEM_KEY: { + struct btrfs_dir_log_item *dlog; + + dlog = btrfs_item_ptr(eb, i, struct btrfs_dir_log_item); printf("\t\tdir log end %Lu\n", - (unsigned long long)btrfs_dir_log_end(l, dlog)); - break; + (unsigned long long)btrfs_dir_log_end(eb, dlog)); + break; + } case BTRFS_ORPHAN_ITEM_KEY: printf("\t\torphan item\n"); break; case BTRFS_ROOT_ITEM_KEY: - print_root(l, i); + print_root(eb, i); break; case BTRFS_ROOT_REF_KEY: - print_root_ref(l, i, "ref"); + print_root_ref(eb, i, "ref"); break; case BTRFS_ROOT_BACKREF_KEY: - print_root_ref(l, i, "backref"); + print_root_ref(eb, i, "backref"); break; case BTRFS_EXTENT_ITEM_KEY: - print_extent_item(l, i, 0); + print_extent_item(eb, i, 0); break; case BTRFS_METADATA_ITEM_KEY: - print_extent_item(l, i, 1); + print_extent_item(eb, i, 1); break; case BTRFS_TREE_BLOCK_REF_KEY: printf("\t\ttree block backref\n"); @@ -990,23 +1032,28 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) case BTRFS_SHARED_BLOCK_REF_KEY: printf("\t\tshared block backref\n"); break; - case BTRFS_EXTENT_DATA_REF_KEY: - dref = btrfs_item_ptr(l, i, struct btrfs_extent_data_ref); + case BTRFS_EXTENT_DATA_REF_KEY: { + struct btrfs_extent_data_ref *dref; + + dref = btrfs_item_ptr(eb, i, struct btrfs_extent_data_ref); printf("\t\textent data backref root %llu " "objectid %llu offset %llu count %u\n", - (unsigned long long)btrfs_extent_data_ref_root(l, dref), - (unsigned long long)btrfs_extent_data_ref_objectid(l, dref), - (unsigned long long)btrfs_extent_data_ref_offset(l, dref), - btrfs_extent_data_ref_count(l, dref)); + (unsigned long long)btrfs_extent_data_ref_root(eb, dref), + (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref), + (unsigned long long)btrfs_extent_data_ref_offset(eb, dref), + btrfs_extent_data_ref_count(eb, dref)); break; - case BTRFS_SHARED_DATA_REF_KEY: - sref = btrfs_item_ptr(l, i, struct btrfs_shared_data_ref); + } + case BTRFS_SHARED_DATA_REF_KEY: { + struct btrfs_shared_data_ref *sref; + sref = btrfs_item_ptr(eb, i, struct btrfs_shared_data_ref); printf("\t\tshared data backref count %u\n", - btrfs_shared_data_ref_count(l, sref)); + btrfs_shared_data_ref_count(eb, sref)); break; + } case BTRFS_EXTENT_REF_V0_KEY: #ifdef BTRFS_COMPAT_EXTENT_TREE_V0 - print_extent_ref_v0(l, i); + print_extent_ref_v0(eb, i); #else BUG(); #endif @@ -1018,14 +1065,12 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) printf("\t\textent csum item\n"); break; case BTRFS_EXTENT_DATA_KEY: - fi = btrfs_item_ptr(l, i, - struct btrfs_file_extent_item); - print_file_extent_item(l, item, i, fi); + print_file_extent_item(eb, item, i, ptr); break; - case BTRFS_BLOCK_GROUP_ITEM_KEY: - bi = btrfs_item_ptr(l, i, - struct btrfs_block_group_item); - read_extent_buffer(l, &bg_item, (unsigned long)bi, + case BTRFS_BLOCK_GROUP_ITEM_KEY: { + struct btrfs_block_group_item bg_item; + + read_extent_buffer(eb, &bg_item, (unsigned long)ptr, sizeof(bg_item)); memset(flags_str, 0, sizeof(flags_str)); bg_flags_to_str(btrfs_block_group_flags(&bg_item), @@ -1035,12 +1080,16 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item), flags_str); break; - case BTRFS_FREE_SPACE_INFO_KEY: - free_info = btrfs_item_ptr(l, i, struct btrfs_free_space_info); + } + case BTRFS_FREE_SPACE_INFO_KEY: { + struct btrfs_free_space_info *free_info; + + free_info = btrfs_item_ptr(eb, i, struct btrfs_free_space_info); printf("\t\tfree space info extent count %u flags %u\n", - (unsigned)btrfs_free_space_extent_count(l, free_info), - (unsigned)btrfs_free_space_flags(l, free_info)); + (unsigned)btrfs_free_space_extent_count(eb, free_info), + (unsigned)btrfs_free_space_flags(eb, free_info)); break; + } case BTRFS_FREE_SPACE_EXTENT_KEY: printf("\t\tfree space extent\n"); break; @@ -1048,93 +1097,134 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) printf("\t\tfree space bitmap\n"); break; case BTRFS_CHUNK_ITEM_KEY: - print_chunk(l, btrfs_item_ptr(l, i, struct btrfs_chunk)); + print_chunk(eb, ptr); break; case BTRFS_DEV_ITEM_KEY: - print_dev_item(l, btrfs_item_ptr(l, i, - struct btrfs_dev_item)); + print_dev_item(eb, ptr); break; - case BTRFS_DEV_EXTENT_KEY: - dev_extent = btrfs_item_ptr(l, i, + case BTRFS_DEV_EXTENT_KEY: { + struct btrfs_dev_extent *dev_extent; + + dev_extent = btrfs_item_ptr(eb, i, struct btrfs_dev_extent); + read_extent_buffer(eb, uuid, + (unsigned long)btrfs_dev_extent_chunk_tree_uuid(dev_extent), + BTRFS_UUID_SIZE); + uuid_unparse(uuid, uuid_str); printf("\t\tdev extent chunk_tree %llu\n" - "\t\tchunk objectid %llu chunk offset %llu " - "length %llu\n", + "\t\tchunk_objectid %llu chunk_offset %llu " + "length %llu\n" + "\t\tchunk_tree_uuid %s\n", (unsigned long long) - btrfs_dev_extent_chunk_tree(l, dev_extent), + btrfs_dev_extent_chunk_tree(eb, dev_extent), (unsigned long long) - btrfs_dev_extent_chunk_objectid(l, dev_extent), + btrfs_dev_extent_chunk_objectid(eb, dev_extent), (unsigned long long) - btrfs_dev_extent_chunk_offset(l, dev_extent), + btrfs_dev_extent_chunk_offset(eb, dev_extent), (unsigned long long) - btrfs_dev_extent_length(l, dev_extent)); + btrfs_dev_extent_length(eb, dev_extent), + uuid_str); break; - case BTRFS_QGROUP_STATUS_KEY: - qg_status = btrfs_item_ptr(l, i, + } + case BTRFS_QGROUP_STATUS_KEY: { + struct btrfs_qgroup_status_item *qg_status; + + qg_status = btrfs_item_ptr(eb, i, struct btrfs_qgroup_status_item); memset(flags_str, 0, sizeof(flags_str)); - qgroup_flags_to_str(btrfs_qgroup_status_flags(l, qg_status), + qgroup_flags_to_str(btrfs_qgroup_status_flags(eb, qg_status), flags_str); printf("\t\tversion %llu generation %llu flags %s " "scan %lld\n", (unsigned long long) - btrfs_qgroup_status_version(l, qg_status), + btrfs_qgroup_status_version(eb, qg_status), (unsigned long long) - btrfs_qgroup_status_generation(l, qg_status), + btrfs_qgroup_status_generation(eb, qg_status), flags_str, (unsigned long long) - btrfs_qgroup_status_rescan(l, qg_status)); + btrfs_qgroup_status_rescan(eb, qg_status)); break; + } case BTRFS_QGROUP_RELATION_KEY: break; - case BTRFS_QGROUP_INFO_KEY: - qg_info = btrfs_item_ptr(l, i, + case BTRFS_QGROUP_INFO_KEY: { + struct btrfs_qgroup_info_item *qg_info; + + qg_info = btrfs_item_ptr(eb, i, struct btrfs_qgroup_info_item); printf("\t\tgeneration %llu\n" - "\t\treferenced %llu referenced compressed %llu\n" - "\t\texclusive %llu exclusive compressed %llu\n", + "\t\treferenced %llu referenced_compressed %llu\n" + "\t\texclusive %llu exclusive_compressed %llu\n", (unsigned long long) - btrfs_qgroup_info_generation(l, qg_info), + btrfs_qgroup_info_generation(eb, qg_info), (unsigned long long) - btrfs_qgroup_info_referenced(l, qg_info), + btrfs_qgroup_info_referenced(eb, qg_info), (unsigned long long) - btrfs_qgroup_info_referenced_compressed(l, + btrfs_qgroup_info_referenced_compressed(eb, qg_info), (unsigned long long) - btrfs_qgroup_info_exclusive(l, qg_info), + btrfs_qgroup_info_exclusive(eb, qg_info), (unsigned long long) - btrfs_qgroup_info_exclusive_compressed(l, + btrfs_qgroup_info_exclusive_compressed(eb, qg_info)); break; - case BTRFS_QGROUP_LIMIT_KEY: - qg_limit = btrfs_item_ptr(l, i, + } + case BTRFS_QGROUP_LIMIT_KEY: { + struct btrfs_qgroup_limit_item *qg_limit; + + qg_limit = btrfs_item_ptr(eb, 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", + "\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), + btrfs_qgroup_limit_flags(eb, qg_limit), (long long) - btrfs_qgroup_limit_max_referenced(l, qg_limit), + btrfs_qgroup_limit_max_referenced(eb, qg_limit), (long long) - btrfs_qgroup_limit_max_exclusive(l, qg_limit), + btrfs_qgroup_limit_max_exclusive(eb, qg_limit), (long long) - btrfs_qgroup_limit_rsv_referenced(l, qg_limit), + btrfs_qgroup_limit_rsv_referenced(eb, qg_limit), (long long) - btrfs_qgroup_limit_rsv_exclusive(l, qg_limit)); + btrfs_qgroup_limit_rsv_exclusive(eb, qg_limit)); break; + } case BTRFS_UUID_KEY_SUBVOL: case BTRFS_UUID_KEY_RECEIVED_SUBVOL: - print_uuid_item(l, btrfs_item_ptr_offset(l, i), - btrfs_item_size_nr(l, i)); + print_uuid_item(eb, btrfs_item_ptr_offset(eb, i), + btrfs_item_size_nr(eb, i)); + break; + case BTRFS_STRING_ITEM_KEY: { + const char *str = eb->data + btrfs_item_ptr_offset(eb, i); + + printf("\t\titem data %.*s\n", item_size, str); 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); + } + case BTRFS_PERSISTENT_ITEM_KEY: + printf("\t\tpersistent item objectid "); + print_objectid(stdout, objectid, BTRFS_PERSISTENT_ITEM_KEY); + printf(" offset %llu\n", (unsigned long long)offset); + switch (objectid) { + case BTRFS_DEV_STATS_OBJECTID: + print_dev_stats(eb, ptr, item_size); + break; + default: + printf("\t\tunknown persistent item objectid %llu\n", + objectid); + } break; - case BTRFS_DEV_STATS_KEY: - printf("\t\tdevice stats\n"); + case BTRFS_TEMPORARY_ITEM_KEY: + printf("\t\ttemporary item objectid "); + print_objectid(stdout, objectid, BTRFS_TEMPORARY_ITEM_KEY); + printf(" offset %llu\n", (unsigned long long)offset); + switch (objectid) { + case BTRFS_BALANCE_OBJECTID: + print_balance_item(eb, ptr); + break; + default: + printf("\t\tunknown temporary item objectid %llu\n", + objectid); + } break; }; fflush(stdout); @@ -1143,11 +1233,12 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb, int follow) { - int i; + u32 i; u32 nr; u32 size; struct btrfs_disk_key disk_key; struct btrfs_key key; + struct extent_buffer *next; if (!eb) return; @@ -1181,23 +1272,34 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb, int fol return; for (i = 0; i < nr; i++) { - struct extent_buffer *next = read_tree_block(root, - btrfs_node_blockptr(eb, i), - size, - btrfs_node_ptr_generation(eb, i)); + next = read_tree_block(root, btrfs_node_blockptr(eb, i), size, + btrfs_node_ptr_generation(eb, i)); if (!extent_buffer_uptodate(next)) { fprintf(stderr, "failed to read %llu in tree %llu\n", (unsigned long long)btrfs_node_blockptr(eb, i), (unsigned long long)btrfs_header_owner(eb)); continue; } - if (btrfs_is_leaf(next) && - btrfs_header_level(eb) != 1) - BUG(); - if (btrfs_header_level(next) != - btrfs_header_level(eb) - 1) - BUG(); + if (btrfs_is_leaf(next) && btrfs_header_level(eb) != 1) { + warning( + "eb corrupted: item %d eb level %d next level %d, skipping the rest", + i, btrfs_header_level(next), + btrfs_header_level(eb)); + goto out; + } + if (btrfs_header_level(next) != btrfs_header_level(eb) - 1) { + warning( + "eb corrupted: item %d eb level %d next level %d, skipping the rest", + i, btrfs_header_level(next), + btrfs_header_level(eb)); + goto out; + } btrfs_print_tree(root, next, 1); free_extent_buffer(next); } + + return; + +out: + free_extent_buffer(next); } |