+static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
+{
+ int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
+ int i;
+ printf("\t\tchunk length %llu owner %llu type %llu num_stripes %d\n",
+ (unsigned long long)btrfs_chunk_length(eb, chunk),
+ (unsigned long long)btrfs_chunk_owner(eb, chunk),
+ (unsigned long long)btrfs_chunk_type(eb, chunk),
+ num_stripes);
+ for (i = 0 ; i < num_stripes ; i++) {
+ 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));
+ }
+}
+static void print_dev_item(struct extent_buffer *eb,
+ struct btrfs_dev_item *dev_item)
+{
+ printf("\t\tdev item devid %llu "
+ "total_bytes %llu bytes used %Lu\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));
+}
+
+static void print_uuids(struct extent_buffer *eb)
+{
+ char fs_uuid[37];
+ char chunk_uuid[37];
+ u8 disk_uuid[BTRFS_UUID_SIZE];
+
+ read_extent_buffer(eb, disk_uuid, (unsigned long)btrfs_header_fsid(eb),
+ BTRFS_FSID_SIZE);
+
+ fs_uuid[36] = '\0';
+ uuid_unparse(disk_uuid, fs_uuid);
+
+ read_extent_buffer(eb, disk_uuid,
+ (unsigned long)btrfs_header_chunk_tree_uuid(eb),
+ BTRFS_UUID_SIZE);
+
+ chunk_uuid[36] = '\0';
+ uuid_unparse(disk_uuid, chunk_uuid);
+ printf("fs uuid %s\nchunk uuid %s\n", fs_uuid, chunk_uuid);
+}
+
+static void print_file_extent_item(struct extent_buffer *eb,
+ struct btrfs_item *item,
+ struct btrfs_file_extent_item *fi)
+{
+ int extent_type = btrfs_file_extent_type(eb, fi);
+
+ if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
+ printf("\t\tinline extent data size %u "
+ "ram %llu compress %d\n",
+ btrfs_file_extent_inline_len(eb, item),
+ (unsigned long long) btrfs_file_extent_ram_bytes(eb, fi),
+ btrfs_file_extent_compression(eb, fi));
+ return;
+ }
+ if (extent_type == BTRFS_FILE_EXTENT_PREALLOC) {
+ printf("\t\tprealloc data disk byte %llu nr %llu\n",
+ (unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
+ (unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
+ printf("\t\tprealloc data offset %llu nr %llu\n",
+ (unsigned long long)btrfs_file_extent_offset(eb, fi),
+ (unsigned long long)btrfs_file_extent_num_bytes(eb, fi));
+ return;
+ }
+ printf("\t\textent data disk byte %llu nr %llu\n",
+ (unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
+ (unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
+ printf("\t\textent data offset %llu nr %llu ram %llu\n",
+ (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 %d\n",
+ btrfs_file_extent_compression(eb, fi));
+}
+
+
+static void print_root_ref(struct extent_buffer *leaf, int slot, char *tag)
+{
+ struct btrfs_root_ref *ref;
+ char namebuf[BTRFS_NAME_LEN];
+ int namelen;
+
+ ref = btrfs_item_ptr(leaf, slot, struct btrfs_root_ref);
+ namelen = btrfs_root_ref_name_len(leaf, ref);
+ read_extent_buffer(leaf, namebuf, (unsigned long)(ref + 1), namelen);
+ printf("\t\troot %s key dirid %llu sequence %llu name %.*s\n", tag,
+ (unsigned long long)btrfs_root_ref_dirid(leaf, ref),
+ (unsigned long long)btrfs_root_ref_sequence(leaf, ref),
+ namelen, namebuf);
+}
+
+void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)