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 void print_dir_item(struct extent_buffer *eb, u32 size,
read_extent_buffer(eb, namebuf, (unsigned long)(extref->name), len);
- printf("\t\tinode extref index %llu parent %llu namelen %u "
- "name: %.*s\n",
+ printf("\t\tindex %llu parent %llu namelen %u name: %.*s\n",
(unsigned long long)index,
(unsigned long long)parent_objid,
name_len, len, namebuf);
index = btrfs_inode_ref_index(eb, ref);
len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
read_extent_buffer(eb, namebuf, (unsigned long)(ref + 1), len);
- printf("\t\tinode ref index %llu namelen %u name: %.*s\n",
+ printf("\t\tindex %llu namelen %u name: %.*s\n",
(unsigned long long)index, name_len, len, namebuf);
len = sizeof(*ref) + name_len;
ref = (struct btrfs_inode_ref *)((char *)ref + len);
strcat(ret, "|INCONSISTENT");
}
-void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
+void print_chunk_item(struct extent_buffer *eb, struct btrfs_chunk *chunk)
{
- int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
+ u16 num_stripes = btrfs_chunk_num_stripes(eb, chunk);
int i;
+ u32 chunk_item_size;
char chunk_flags_str[32] = {0};
+ /* The chunk must contain at least one stripe */
+ if (num_stripes < 1) {
+ printf("invalid num_stripes: %u\n", num_stripes);
+ return;
+ }
+
+ chunk_item_size = btrfs_chunk_item_size(num_stripes);
+
+ if ((unsigned long)chunk + chunk_item_size > eb->len) {
+ printf("\t\tchunk item invalid\n");
+ return;
+ }
+
bg_flags_to_str(btrfs_chunk_type(eb, chunk), chunk_flags_str);
printf("\t\tlength %llu owner %llu stripe_len %llu type %s\n",
(unsigned long long)btrfs_chunk_length(eb, chunk),
for (i = 0 ; i < num_stripes ; i++) {
unsigned char dev_uuid[BTRFS_UUID_SIZE];
char str_dev_uuid[BTRFS_UUID_UNPARSED_SIZE];
+ u64 uuid_offset;
+ u64 stripe_offset;
+
+ uuid_offset = (unsigned long)btrfs_stripe_dev_uuid_nr(chunk, i);
+ stripe_offset = (unsigned long)btrfs_stripe_nr(chunk, i);
+
+ if (uuid_offset < stripe_offset ||
+ (uuid_offset + BTRFS_UUID_SIZE) >
+ (stripe_offset + sizeof(struct btrfs_stripe))) {
+ printf("\t\t\tstripe %d invalid\n", i);
+ break;
+ }
read_extent_buffer(eb, dev_uuid,
- (unsigned long)btrfs_stripe_dev_uuid_nr(chunk, i),
+ uuid_offset,
BTRFS_UUID_SIZE);
uuid_unparse(dev_uuid, str_dev_uuid);
printf("\t\t\tstripe %d devid %llu offset %llu\n", i,
case BTRFS_COMPRESS_LZO:
strcpy(ret, "lzo");
break;
+ case BTRFS_COMPRESS_ZSTD:
+ strcpy(ret, "zstd");
+ break;
default:
sprintf(ret, "UNKNOWN.%d", compress_type);
}
int slot,
struct btrfs_file_extent_item *fi)
{
- int extent_type = btrfs_file_extent_type(eb, fi);
+ unsigned char extent_type = btrfs_file_extent_type(eb, fi);
char compress_str[16];
compress_type_to_str(btrfs_file_extent_compression(eb, fi),
struct btrfs_extent_item_v0 *ei0;
BUG_ON(item_size != sizeof(*ei0));
ei0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_item_v0);
- printf("\t\textent refs %u\n",
+ printf("\t\trefs %u\n",
btrfs_extent_refs_v0(eb, ei0));
return;
#else
flags = btrfs_extent_flags(eb, ei);
extent_flags_to_str(flags, flags_str);
- printf("\t\textent refs %llu gen %llu flags %s\n",
+ printf("\t\trefs %llu gen %llu flags %s\n",
(unsigned long long)btrfs_extent_refs(eb, ei),
(unsigned long long)btrfs_extent_generation(eb, ei),
flags_str);
}
#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];
strcat(ret, "none");
}
-static void print_root(struct extent_buffer *leaf, int slot)
+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_root_item(struct extent_buffer *leaf, int slot)
{
struct btrfs_root_item *ri;
struct btrfs_root_item root_item;
btrfs_root_stransid(&root_item),
btrfs_root_rtransid(&root_item));
}
+ if (btrfs_timespec_sec(leaf, btrfs_root_ctime(ri)))
+ print_timespec(leaf, btrfs_root_ctime(ri),
+ "\t\tctime ", "\n");
+ if (btrfs_timespec_sec(leaf, btrfs_root_otime(ri)))
+ print_timespec(leaf, btrfs_root_otime(ri),
+ "\t\totime ", "\n");
+ if (btrfs_timespec_sec(leaf, btrfs_root_stime(ri)))
+ print_timespec(leaf, btrfs_root_stime(ri),
+ "\t\tstime ", "\n");
+ if (btrfs_timespec_sec(leaf, btrfs_root_rtime(ri)))
+ print_timespec(leaf, btrfs_root_rtime(ri),
+ "\t\trtime ", "\n");
}
btrfs_disk_key_to_cpu(&drop_key, &root_item.drop_progress);
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)
case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
printf(" 0x%016llx)", (unsigned long long)offset);
break;
+
+ /*
+ * Key offsets of ROOT_ITEM point to tree root, print them in human
+ * readable format. Especially useful for trees like data/tree reloc
+ * tree, whose tree id can be negative.
+ */
+ case BTRFS_ROOT_ITEM_KEY:
+ printf(" ");
+ print_objectid(stdout, offset, type);
+ printf(")");
+ break;
default:
if (offset == (u64)-1)
printf(" -1)");
strcat(ret, "none");
}
-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)
{
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"
+ printf("\t\tgeneration %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),
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),
+ (unsigned long long)btrfs_inode_flags(eb,ii),
flags_str);
print_timespec(eb, btrfs_inode_atime(ii), "\t\tatime ", "\n");
print_timespec(eb, btrfs_inode_ctime(ii), "\t\tctime ", "\n");
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 %lu value %llu\n",
+ 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 *l)
+static void print_block_group_item(struct extent_buffer *eb,
+ struct btrfs_block_group_item *bgi)
+{
+ struct btrfs_block_group_item bg_item;
+ char flags_str[256];
+
+ read_extent_buffer(eb, &bg_item, (unsigned long)bgi, sizeof(bg_item));
+ memset(flags_str, 0, sizeof(flags_str));
+ bg_flags_to_str(btrfs_block_group_flags(&bg_item), flags_str);
+ printf("\t\tblock group used %llu chunk_objectid %llu flags %s\n",
+ (unsigned long long)btrfs_block_group_used(&bg_item),
+ (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item),
+ flags_str);
+}
+
+static void print_extent_data_ref(struct extent_buffer *eb, int slot)
{
- int i;
- char *str;
- 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;
+
+ dref = btrfs_item_ptr(eb, slot, 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(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));
+}
+
+static void print_shared_data_ref(struct extent_buffer *eb, int slot)
+{
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;
+
+ sref = btrfs_item_ptr(eb, slot, struct btrfs_shared_data_ref);
+ printf("\t\tshared data backref count %u\n",
+ btrfs_shared_data_ref_count(eb, sref));
+}
+
+static void print_free_space_info(struct extent_buffer *eb, int slot)
+{
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;
+
+ free_info = btrfs_item_ptr(eb, slot, struct btrfs_free_space_info);
+ printf("\t\tfree space info extent count %u flags %u\n",
+ (unsigned)btrfs_free_space_extent_count(eb, free_info),
+ (unsigned)btrfs_free_space_flags(eb, free_info));
+}
+
+static void print_dev_extent(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_dev_extent *dev_extent;
+ u8 uuid[BTRFS_UUID_SIZE];
+ char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
+
+ dev_extent = btrfs_item_ptr(eb, slot, 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_tree_uuid %s\n",
+ (unsigned long long)btrfs_dev_extent_chunk_tree(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_chunk_objectid(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_chunk_offset(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_length(eb, dev_extent),
+ uuid_str);
+}
+
+static void print_qgroup_status(struct extent_buffer *eb, int slot)
+{
struct btrfs_qgroup_status_item *qg_status;
- u32 nr = btrfs_header_nritems(l);
- u64 objectid;
- u32 type;
- u64 offset;
char flags_str[256];
- char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
- u8 uuid[BTRFS_UUID_SIZE];
+
+ qg_status = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_status_item);
+ memset(flags_str, 0, sizeof(flags_str));
+ 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(eb, qg_status),
+ (unsigned long long)btrfs_qgroup_status_generation(eb, qg_status),
+ flags_str,
+ (unsigned long long)btrfs_qgroup_status_rescan(eb, qg_status));
+}
+
+static void print_qgroup_info(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_qgroup_info_item *qg_info;
+
+ qg_info = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_info_item);
+ printf("\t\tgeneration %llu\n"
+ "\t\treferenced %llu referenced_compressed %llu\n"
+ "\t\texclusive %llu exclusive_compressed %llu\n",
+ (unsigned long long)btrfs_qgroup_info_generation(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_referenced(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_referenced_compressed(eb,
+ qg_info),
+ (unsigned long long)btrfs_qgroup_info_exclusive(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_exclusive_compressed(eb,
+ qg_info));
+}
+
+static void print_qgroup_limit(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_qgroup_limit_item *qg_limit;
+
+ qg_limit = btrfs_item_ptr(eb, slot, 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(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_max_referenced(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_max_exclusive(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_rsv_referenced(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_rsv_exclusive(eb, qg_limit));
+}
+
+static void print_persistent_item(struct extent_buffer *eb, void *ptr,
+ u32 item_size, u64 objectid, u64 offset)
+{
+ 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);
+ }
+}
+
+static void print_temporary_item(struct extent_buffer *eb, void *ptr,
+ u64 objectid, u64 offset)
+{
+ 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);
+ }
+}
+
+static void print_extent_csum(struct extent_buffer *eb,
+ struct btrfs_fs_info *fs_info, u32 item_size, u64 start)
+{
+ u32 size;
+
+ size = (item_size / btrfs_super_csum_size(fs_info->super_copy)) *
+ fs_info->sectorsize;
+ printf("\t\trange start %llu end %llu length %u\n",
+ (unsigned long long)start,
+ (unsigned long long)start + size, size);
+}
+
+/* Caller must ensure sizeof(*ret) >= 14 "WRITTEN|RELOC" */
+static void header_flags_to_str(u64 flags, char *ret)
+{
+ int empty = 1;
+
+ if (flags & BTRFS_HEADER_FLAG_WRITTEN) {
+ empty = 0;
+ strcpy(ret, "WRITTEN");
+ }
+ if (flags & BTRFS_HEADER_FLAG_RELOC) {
+ if (!empty)
+ strcat(ret, "|");
+ strcat(ret, "RELOC");
+ }
+}
+
+void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
+{
+ struct btrfs_item *item;
+ struct btrfs_disk_key disk_key;
+ char flags_str[128];
+ u32 i;
+ u32 nr;
+ u64 flags;
+ u8 backref_rev;
+
+ flags = btrfs_header_flags(eb) & ~BTRFS_BACKREF_REV_MASK;
+ backref_rev = btrfs_header_flags(eb) >> BTRFS_BACKREF_REV_SHIFT;
+ header_flags_to_str(flags, flags_str);
+ 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));
+ printf("leaf %llu flags 0x%llx(%s) backref revision %d\n",
+ btrfs_header_bytenr(eb), flags, flags_str, backref_rev);
+ 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;
item = btrfs_item_nr(i);
- item_size = btrfs_item_size(l, item);
- 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:
- ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
- print_inode_item(l, ii);
+ 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_size, 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_size, 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_size, 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_item(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");
printf("\t\tshared block backref\n");
break;
case BTRFS_EXTENT_DATA_REF_KEY:
- dref = btrfs_item_ptr(l, 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));
+ print_extent_data_ref(eb, i);
break;
case BTRFS_SHARED_DATA_REF_KEY:
- sref = btrfs_item_ptr(l, i, struct btrfs_shared_data_ref);
- printf("\t\tshared data backref count %u\n",
- btrfs_shared_data_ref_count(l, sref));
+ print_shared_data_ref(eb, i);
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
printf("\t\tcsum item\n");
break;
case BTRFS_EXTENT_CSUM_KEY:
- printf("\t\textent csum item\n");
+ print_extent_csum(eb, root->fs_info, item_size,
+ offset);
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,
- sizeof(bg_item));
- memset(flags_str, 0, sizeof(flags_str));
- bg_flags_to_str(btrfs_block_group_flags(&bg_item),
- flags_str);
- printf("\t\tblock group used %llu chunk_objectid %llu flags %s\n",
- (unsigned long long)btrfs_block_group_used(&bg_item),
- (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item),
- flags_str);
+ print_block_group_item(eb, ptr);
break;
case BTRFS_FREE_SPACE_INFO_KEY:
- free_info = btrfs_item_ptr(l, 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));
+ print_free_space_info(eb, i);
break;
case BTRFS_FREE_SPACE_EXTENT_KEY:
printf("\t\tfree space extent\n");
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_item(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,
- struct btrfs_dev_extent);
- read_extent_buffer(l, 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_tree_uuid %s\n",
- (unsigned long long)
- btrfs_dev_extent_chunk_tree(l, dev_extent),
- (unsigned long long)
- btrfs_dev_extent_chunk_objectid(l, dev_extent),
- (unsigned long long)
- btrfs_dev_extent_chunk_offset(l, dev_extent),
- (unsigned long long)
- btrfs_dev_extent_length(l, dev_extent),
- uuid_str);
+ print_dev_extent(eb, i);
break;
case BTRFS_QGROUP_STATUS_KEY:
- qg_status = btrfs_item_ptr(l, i,
- struct btrfs_qgroup_status_item);
- memset(flags_str, 0, sizeof(flags_str));
- qgroup_flags_to_str(btrfs_qgroup_status_flags(l, 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),
- (unsigned long long)
- btrfs_qgroup_status_generation(l, qg_status),
- flags_str,
- (unsigned long long)
- btrfs_qgroup_status_rescan(l, qg_status));
+ print_qgroup_status(eb, i);
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 %llu referenced_compressed %llu\n"
- "\t\texclusive %llu exclusive_compressed %llu\n",
- (unsigned long long)
- btrfs_qgroup_info_generation(l, qg_info),
- (unsigned long long)
- btrfs_qgroup_info_referenced(l, qg_info),
- (unsigned long long)
- btrfs_qgroup_info_referenced_compressed(l,
- qg_info),
- (unsigned long long)
- btrfs_qgroup_info_exclusive(l, qg_info),
- (unsigned long long)
- btrfs_qgroup_info_exclusive_compressed(l,
- qg_info));
+ print_qgroup_info(eb, i);
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));
+ print_qgroup_limit(eb, i);
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:
- /* dirty, but it's simple */
- str = l->data + btrfs_item_ptr_offset(l, i);
+ 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_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(l, btrfs_item_ptr(l, i,
- struct btrfs_dev_stats_item),
- item_size);
- break;
- default:
- printf("\t\tunknown persistent item objectid %llu\n",
- objectid);
}
+ case BTRFS_PERSISTENT_ITEM_KEY:
+ print_persistent_item(eb, ptr, item_size, objectid,
+ offset);
break;
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(l, btrfs_item_ptr(l, i,
- struct btrfs_balance_item));
- break;
- default:
- printf("\t\tunknown temporary item objectid %llu\n",
- objectid);
- }
+ print_temporary_item(eb, ptr, objectid, offset);
break;
};
fflush(stdout);
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;
printf("node %llu level %d items %d free %u generation %llu owner %llu\n",
(unsigned long long)eb->start,
btrfs_header_level(eb), nr,
- (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr,
+ (u32)BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - nr,
(unsigned long long)btrfs_header_generation(eb),
(unsigned long long)btrfs_header_owner(eb));
print_uuids(eb);
fflush(stdout);
- size = root->nodesize;
for (i = 0; i < nr; i++) {
u64 blocknr = btrfs_node_blockptr(eb, i);
btrfs_node_key(eb, &disk_key, i);
btrfs_print_key(&disk_key);
printf(" block %llu (%llu) gen %llu\n",
(unsigned long long)blocknr,
- (unsigned long long)blocknr / size,
+ (unsigned long long)blocknr / root->fs_info->nodesize,
(unsigned long long)btrfs_node_ptr_generation(eb, i));
fflush(stdout);
}
return;
for (i = 0; i < nr; i++) {
- next = read_tree_block(root, btrfs_node_blockptr(eb, i), size,
+ next = read_tree_block(root->fs_info,
+ btrfs_node_blockptr(eb, i),
btrfs_node_ptr_generation(eb, i));
if (!extent_buffer_uptodate(next)) {
fprintf(stderr, "failed to read %llu in tree %llu\n",
projects / platform / upstream / btrfs-progs.git / blobdiff