2 * Copyright (C) 2007 Oracle. All rights reserved.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
21 #include <uuid/uuid.h>
22 #include "kerncompat.h"
23 #include "radix-tree.h"
26 #include "print-tree.h"
30 static void print_dir_item_type(struct extent_buffer *eb,
31 struct btrfs_dir_item *di)
33 u8 type = btrfs_dir_type(eb, di);
34 static const char* dir_item_str[] = {
35 [BTRFS_FT_REG_FILE] = "FILE",
36 [BTRFS_FT_DIR] = "DIR",
37 [BTRFS_FT_CHRDEV] = "CHRDEV",
38 [BTRFS_FT_BLKDEV] = "BLKDEV",
39 [BTRFS_FT_FIFO] = "FIFO",
40 [BTRFS_FT_SOCK] = "SOCK",
41 [BTRFS_FT_SYMLINK] = "SYMLINK",
42 [BTRFS_FT_XATTR] = "XATTR"
45 if (type < ARRAY_SIZE(dir_item_str) && dir_item_str[type])
46 printf("%s", dir_item_str[type]);
48 printf("DIR_ITEM.%u", type);
51 static void print_dir_item(struct extent_buffer *eb, u32 size,
52 struct btrfs_dir_item *di)
58 char namebuf[BTRFS_NAME_LEN];
59 struct btrfs_disk_key location;
62 btrfs_dir_item_key(eb, di, &location);
63 printf("\t\tlocation ");
64 btrfs_print_key(&location);
66 print_dir_item_type(eb, di);
68 name_len = btrfs_dir_name_len(eb, di);
69 data_len = btrfs_dir_data_len(eb, di);
70 len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
71 read_extent_buffer(eb, namebuf, (unsigned long)(di + 1), len);
72 printf("\t\ttransid %llu data_len %u name_len %u\n",
73 btrfs_dir_transid(eb, di),
75 printf("\t\tname: %.*s\n", len, namebuf);
77 len = (data_len <= sizeof(namebuf))? data_len: sizeof(namebuf);
78 read_extent_buffer(eb, namebuf,
79 (unsigned long)(di + 1) + name_len, len);
80 printf("\t\tdata %.*s\n", len, namebuf);
82 len = sizeof(*di) + name_len + data_len;
83 di = (struct btrfs_dir_item *)((char *)di + len);
88 static void print_inode_extref_item(struct extent_buffer *eb, u32 size,
89 struct btrfs_inode_extref *extref)
96 char namebuf[BTRFS_NAME_LEN];
99 index = btrfs_inode_extref_index(eb, extref);
100 name_len = btrfs_inode_extref_name_len(eb, extref);
101 parent_objid = btrfs_inode_extref_parent(eb, extref);
103 len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
105 read_extent_buffer(eb, namebuf, (unsigned long)(extref->name), len);
107 printf("\t\tindex %llu parent %llu namelen %u name: %.*s\n",
108 (unsigned long long)index,
109 (unsigned long long)parent_objid,
110 name_len, len, namebuf);
112 len = sizeof(*extref) + name_len;
113 extref = (struct btrfs_inode_extref *)((char *)extref + len);
118 static void print_inode_ref_item(struct extent_buffer *eb, u32 size,
119 struct btrfs_inode_ref *ref)
125 char namebuf[BTRFS_NAME_LEN];
128 name_len = btrfs_inode_ref_name_len(eb, ref);
129 index = btrfs_inode_ref_index(eb, ref);
130 len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
131 read_extent_buffer(eb, namebuf, (unsigned long)(ref + 1), len);
132 printf("\t\tindex %llu namelen %u name: %.*s\n",
133 (unsigned long long)index, name_len, len, namebuf);
134 len = sizeof(*ref) + name_len;
135 ref = (struct btrfs_inode_ref *)((char *)ref + len);
140 /* Caller should ensure sizeof(*ret)>=21 "DATA|METADATA|RAID10" */
141 static void bg_flags_to_str(u64 flags, char *ret)
145 if (flags & BTRFS_BLOCK_GROUP_DATA) {
149 if (flags & BTRFS_BLOCK_GROUP_METADATA) {
152 strcat(ret, "METADATA");
154 if (flags & BTRFS_BLOCK_GROUP_SYSTEM) {
157 strcat(ret, "SYSTEM");
159 switch (flags & BTRFS_BLOCK_GROUP_PROFILE_MASK) {
160 case BTRFS_BLOCK_GROUP_RAID0:
161 strcat(ret, "|RAID0");
163 case BTRFS_BLOCK_GROUP_RAID1:
164 strcat(ret, "|RAID1");
166 case BTRFS_BLOCK_GROUP_DUP:
169 case BTRFS_BLOCK_GROUP_RAID10:
170 strcat(ret, "|RAID10");
172 case BTRFS_BLOCK_GROUP_RAID5:
173 strcat(ret, "|RAID5");
175 case BTRFS_BLOCK_GROUP_RAID6:
176 strcat(ret, "|RAID6");
183 /* Caller should ensure sizeof(*ret)>= 26 "OFF|SCANNING|INCONSISTENT" */
184 static void qgroup_flags_to_str(u64 flags, char *ret)
186 if (flags & BTRFS_QGROUP_STATUS_FLAG_ON)
191 if (flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN)
192 strcat(ret, "|SCANNING");
193 if (flags & BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT)
194 strcat(ret, "|INCONSISTENT");
197 void print_chunk_item(struct extent_buffer *eb, struct btrfs_chunk *chunk)
199 u16 num_stripes = btrfs_chunk_num_stripes(eb, chunk);
201 u32 chunk_item_size = btrfs_chunk_item_size(num_stripes);
202 char chunk_flags_str[32] = {0};
204 if ((unsigned long)chunk + chunk_item_size > eb->len) {
205 printf("\t\tchunk item invalid\n");
209 bg_flags_to_str(btrfs_chunk_type(eb, chunk), chunk_flags_str);
210 printf("\t\tlength %llu owner %llu stripe_len %llu type %s\n",
211 (unsigned long long)btrfs_chunk_length(eb, chunk),
212 (unsigned long long)btrfs_chunk_owner(eb, chunk),
213 (unsigned long long)btrfs_chunk_stripe_len(eb, chunk),
215 printf("\t\tio_align %u io_width %u sector_size %u\n",
216 btrfs_chunk_io_align(eb, chunk),
217 btrfs_chunk_io_width(eb, chunk),
218 btrfs_chunk_sector_size(eb, chunk));
219 printf("\t\tnum_stripes %hu sub_stripes %hu\n", num_stripes,
220 btrfs_chunk_sub_stripes(eb, chunk));
221 for (i = 0 ; i < num_stripes ; i++) {
222 unsigned char dev_uuid[BTRFS_UUID_SIZE];
223 char str_dev_uuid[BTRFS_UUID_UNPARSED_SIZE];
227 uuid_offset = (unsigned long)btrfs_stripe_dev_uuid_nr(chunk, i);
228 stripe_offset = (unsigned long)btrfs_stripe_nr(chunk, i);
230 if (uuid_offset < stripe_offset ||
231 (uuid_offset + BTRFS_UUID_SIZE) >
232 (stripe_offset + sizeof(struct btrfs_stripe))) {
233 printf("\t\t\tstripe %d invalid\n", i);
237 read_extent_buffer(eb, dev_uuid,
240 uuid_unparse(dev_uuid, str_dev_uuid);
241 printf("\t\t\tstripe %d devid %llu offset %llu\n", i,
242 (unsigned long long)btrfs_stripe_devid_nr(eb, chunk, i),
243 (unsigned long long)btrfs_stripe_offset_nr(eb, chunk, i));
244 printf("\t\t\tdev_uuid %s\n", str_dev_uuid);
248 static void print_dev_item(struct extent_buffer *eb,
249 struct btrfs_dev_item *dev_item)
251 char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
252 char fsid_str[BTRFS_UUID_UNPARSED_SIZE];
253 u8 uuid[BTRFS_UUID_SIZE];
254 u8 fsid[BTRFS_UUID_SIZE];
256 read_extent_buffer(eb, uuid,
257 (unsigned long)btrfs_device_uuid(dev_item),
259 uuid_unparse(uuid, uuid_str);
260 read_extent_buffer(eb, fsid,
261 (unsigned long)btrfs_device_fsid(dev_item),
263 uuid_unparse(fsid, fsid_str);
264 printf("\t\tdevid %llu total_bytes %llu bytes_used %Lu\n"
265 "\t\tio_align %u io_width %u sector_size %u type %llu\n"
266 "\t\tgeneration %llu start_offset %llu dev_group %u\n"
267 "\t\tseek_speed %hhu bandwidth %hhu\n"
270 (unsigned long long)btrfs_device_id(eb, dev_item),
271 (unsigned long long)btrfs_device_total_bytes(eb, dev_item),
272 (unsigned long long)btrfs_device_bytes_used(eb, dev_item),
273 btrfs_device_io_align(eb, dev_item),
274 btrfs_device_io_width(eb, dev_item),
275 btrfs_device_sector_size(eb, dev_item),
276 (unsigned long long)btrfs_device_type(eb, dev_item),
277 (unsigned long long)btrfs_device_generation(eb, dev_item),
278 (unsigned long long)btrfs_device_start_offset(eb, dev_item),
279 btrfs_device_group(eb, dev_item),
280 btrfs_device_seek_speed(eb, dev_item),
281 btrfs_device_bandwidth(eb, dev_item),
285 static void print_uuids(struct extent_buffer *eb)
287 char fs_uuid[BTRFS_UUID_UNPARSED_SIZE];
288 char chunk_uuid[BTRFS_UUID_UNPARSED_SIZE];
289 u8 disk_uuid[BTRFS_UUID_SIZE];
291 read_extent_buffer(eb, disk_uuid, btrfs_header_fsid(),
294 fs_uuid[BTRFS_UUID_UNPARSED_SIZE - 1] = '\0';
295 uuid_unparse(disk_uuid, fs_uuid);
297 read_extent_buffer(eb, disk_uuid,
298 btrfs_header_chunk_tree_uuid(eb),
301 chunk_uuid[BTRFS_UUID_UNPARSED_SIZE - 1] = '\0';
302 uuid_unparse(disk_uuid, chunk_uuid);
303 printf("fs uuid %s\nchunk uuid %s\n", fs_uuid, chunk_uuid);
306 static void compress_type_to_str(u8 compress_type, char *ret)
308 switch (compress_type) {
309 case BTRFS_COMPRESS_NONE:
312 case BTRFS_COMPRESS_ZLIB:
315 case BTRFS_COMPRESS_LZO:
319 sprintf(ret, "UNKNOWN.%d", compress_type);
323 static const char* file_extent_type_to_str(u8 type)
326 case BTRFS_FILE_EXTENT_INLINE: return "inline";
327 case BTRFS_FILE_EXTENT_PREALLOC: return "prealloc";
328 case BTRFS_FILE_EXTENT_REG: return "regular";
329 default: return "unknown";
333 static void print_file_extent_item(struct extent_buffer *eb,
334 struct btrfs_item *item,
336 struct btrfs_file_extent_item *fi)
338 unsigned char extent_type = btrfs_file_extent_type(eb, fi);
339 char compress_str[16];
341 compress_type_to_str(btrfs_file_extent_compression(eb, fi),
344 printf("\t\tgeneration %llu type %hhu (%s)\n",
345 btrfs_file_extent_generation(eb, fi),
346 extent_type, file_extent_type_to_str(extent_type));
348 if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
349 printf("\t\tinline extent data size %u ram_bytes %u compression %hhu (%s)\n",
350 btrfs_file_extent_inline_item_len(eb, item),
351 btrfs_file_extent_inline_len(eb, slot, fi),
352 btrfs_file_extent_compression(eb, fi),
356 if (extent_type == BTRFS_FILE_EXTENT_PREALLOC) {
357 printf("\t\tprealloc data disk byte %llu nr %llu\n",
358 (unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
359 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
360 printf("\t\tprealloc data offset %llu nr %llu\n",
361 (unsigned long long)btrfs_file_extent_offset(eb, fi),
362 (unsigned long long)btrfs_file_extent_num_bytes(eb, fi));
365 printf("\t\textent data disk byte %llu nr %llu\n",
366 (unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
367 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
368 printf("\t\textent data offset %llu nr %llu ram %llu\n",
369 (unsigned long long)btrfs_file_extent_offset(eb, fi),
370 (unsigned long long)btrfs_file_extent_num_bytes(eb, fi),
371 (unsigned long long)btrfs_file_extent_ram_bytes(eb, fi));
372 printf("\t\textent compression %hhu (%s)\n",
373 btrfs_file_extent_compression(eb, fi),
377 /* Caller should ensure sizeof(*ret) >= 16("DATA|TREE_BLOCK") */
378 static void extent_flags_to_str(u64 flags, char *ret)
382 if (flags & BTRFS_EXTENT_FLAG_DATA) {
386 if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
391 strcat(ret, "TREE_BLOCK");
393 if (flags & BTRFS_BLOCK_FLAG_FULL_BACKREF) {
395 strcat(ret, "FULL_BACKREF");
399 void print_extent_item(struct extent_buffer *eb, int slot, int metadata)
401 struct btrfs_extent_item *ei;
402 struct btrfs_extent_inline_ref *iref;
403 struct btrfs_extent_data_ref *dref;
404 struct btrfs_shared_data_ref *sref;
405 struct btrfs_disk_key key;
409 u32 item_size = btrfs_item_size_nr(eb, slot);
412 char flags_str[32] = {0};
414 if (item_size < sizeof(*ei)) {
415 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
416 struct btrfs_extent_item_v0 *ei0;
417 BUG_ON(item_size != sizeof(*ei0));
418 ei0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_item_v0);
419 printf("\t\trefs %u\n",
420 btrfs_extent_refs_v0(eb, ei0));
427 ei = btrfs_item_ptr(eb, slot, struct btrfs_extent_item);
428 flags = btrfs_extent_flags(eb, ei);
429 extent_flags_to_str(flags, flags_str);
431 printf("\t\trefs %llu gen %llu flags %s\n",
432 (unsigned long long)btrfs_extent_refs(eb, ei),
433 (unsigned long long)btrfs_extent_generation(eb, ei),
436 if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK && !metadata) {
437 struct btrfs_tree_block_info *info;
438 info = (struct btrfs_tree_block_info *)(ei + 1);
439 btrfs_tree_block_key(eb, info, &key);
440 printf("\t\ttree block ");
441 btrfs_print_key(&key);
442 printf(" level %d\n", btrfs_tree_block_level(eb, info));
443 iref = (struct btrfs_extent_inline_ref *)(info + 1);
444 } else if (metadata) {
445 struct btrfs_key tmp;
447 btrfs_item_key_to_cpu(eb, &tmp, slot);
448 printf("\t\ttree block skinny level %d\n", (int)tmp.offset);
449 iref = (struct btrfs_extent_inline_ref *)(ei + 1);
451 iref = (struct btrfs_extent_inline_ref *)(ei + 1);
454 ptr = (unsigned long)iref;
455 end = (unsigned long)ei + item_size;
457 iref = (struct btrfs_extent_inline_ref *)ptr;
458 type = btrfs_extent_inline_ref_type(eb, iref);
459 offset = btrfs_extent_inline_ref_offset(eb, iref);
461 case BTRFS_TREE_BLOCK_REF_KEY:
462 printf("\t\ttree block backref root %llu\n",
463 (unsigned long long)offset);
465 case BTRFS_SHARED_BLOCK_REF_KEY:
466 printf("\t\tshared block backref parent %llu\n",
467 (unsigned long long)offset);
469 case BTRFS_EXTENT_DATA_REF_KEY:
470 dref = (struct btrfs_extent_data_ref *)(&iref->offset);
471 printf("\t\textent data backref root %llu "
472 "objectid %llu offset %llu count %u\n",
473 (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
474 (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
475 (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
476 btrfs_extent_data_ref_count(eb, dref));
478 case BTRFS_SHARED_DATA_REF_KEY:
479 sref = (struct btrfs_shared_data_ref *)(iref + 1);
480 printf("\t\tshared data backref parent %llu count %u\n",
481 (unsigned long long)offset,
482 btrfs_shared_data_ref_count(eb, sref));
487 ptr += btrfs_extent_inline_ref_size(type);
492 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
493 static void print_extent_ref_v0(struct extent_buffer *eb, int slot)
495 struct btrfs_extent_ref_v0 *ref0;
497 ref0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_ref_v0);
498 printf("\t\textent back ref root %llu gen %llu "
499 "owner %llu num_refs %lu\n",
500 (unsigned long long)btrfs_ref_root_v0(eb, ref0),
501 (unsigned long long)btrfs_ref_generation_v0(eb, ref0),
502 (unsigned long long)btrfs_ref_objectid_v0(eb, ref0),
503 (unsigned long)btrfs_ref_count_v0(eb, ref0));
507 static void print_root_ref(struct extent_buffer *leaf, int slot, const char *tag)
509 struct btrfs_root_ref *ref;
510 char namebuf[BTRFS_NAME_LEN];
513 ref = btrfs_item_ptr(leaf, slot, struct btrfs_root_ref);
514 namelen = btrfs_root_ref_name_len(leaf, ref);
515 read_extent_buffer(leaf, namebuf, (unsigned long)(ref + 1), namelen);
516 printf("\t\troot %s key dirid %llu sequence %llu name %.*s\n", tag,
517 (unsigned long long)btrfs_root_ref_dirid(leaf, ref),
518 (unsigned long long)btrfs_root_ref_sequence(leaf, ref),
522 static int empty_uuid(const u8 *uuid)
526 for (i = 0; i < BTRFS_UUID_SIZE; i++)
533 * Caller must ensure sizeof(*ret) >= 7 "RDONLY"
535 static void root_flags_to_str(u64 flags, char *ret)
537 if (flags & BTRFS_ROOT_SUBVOL_RDONLY)
538 strcat(ret, "RDONLY");
543 static void print_root_item(struct extent_buffer *leaf, int slot)
545 struct btrfs_root_item *ri;
546 struct btrfs_root_item root_item;
548 char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
549 char flags_str[32] = {0};
550 struct btrfs_key drop_key;
552 ri = btrfs_item_ptr(leaf, slot, struct btrfs_root_item);
553 len = btrfs_item_size_nr(leaf, slot);
555 memset(&root_item, 0, sizeof(root_item));
556 read_extent_buffer(leaf, &root_item, (unsigned long)ri, len);
557 root_flags_to_str(btrfs_root_flags(&root_item), flags_str);
559 printf("\t\tgeneration %llu root_dirid %llu bytenr %llu level %hhu refs %u\n",
560 (unsigned long long)btrfs_root_generation(&root_item),
561 (unsigned long long)btrfs_root_dirid(&root_item),
562 (unsigned long long)btrfs_root_bytenr(&root_item),
563 btrfs_root_level(&root_item),
564 btrfs_root_refs(&root_item));
565 printf("\t\tlastsnap %llu byte_limit %llu bytes_used %llu flags 0x%llx(%s)\n",
566 (unsigned long long)btrfs_root_last_snapshot(&root_item),
567 (unsigned long long)btrfs_root_limit(&root_item),
568 (unsigned long long)btrfs_root_used(&root_item),
569 (unsigned long long)btrfs_root_flags(&root_item),
572 if (root_item.generation == root_item.generation_v2) {
573 uuid_unparse(root_item.uuid, uuid_str);
574 printf("\t\tuuid %s\n", uuid_str);
575 if (!empty_uuid(root_item.parent_uuid)) {
576 uuid_unparse(root_item.parent_uuid, uuid_str);
577 printf("\t\tparent_uuid %s\n", uuid_str);
579 if (!empty_uuid(root_item.received_uuid)) {
580 uuid_unparse(root_item.received_uuid, uuid_str);
581 printf("\t\treceived_uuid %s\n", uuid_str);
583 if (root_item.ctransid) {
584 printf("\t\tctransid %llu otransid %llu stransid %llu rtransid %llu\n",
585 btrfs_root_ctransid(&root_item),
586 btrfs_root_otransid(&root_item),
587 btrfs_root_stransid(&root_item),
588 btrfs_root_rtransid(&root_item));
592 btrfs_disk_key_to_cpu(&drop_key, &root_item.drop_progress);
594 btrfs_print_key(&root_item.drop_progress);
595 printf(" level %hhu\n", root_item.drop_level);
598 static void print_free_space_header(struct extent_buffer *leaf, int slot)
600 struct btrfs_free_space_header *header;
601 struct btrfs_disk_key location;
603 header = btrfs_item_ptr(leaf, slot, struct btrfs_free_space_header);
604 btrfs_free_space_key(leaf, header, &location);
605 printf("\t\tlocation ");
606 btrfs_print_key(&location);
608 printf("\t\tcache generation %llu entries %llu bitmaps %llu\n",
609 (unsigned long long)btrfs_free_space_generation(leaf, header),
610 (unsigned long long)btrfs_free_space_entries(leaf, header),
611 (unsigned long long)btrfs_free_space_bitmaps(leaf, header));
614 void print_key_type(FILE *stream, u64 objectid, u8 type)
616 static const char* key_to_str[256] = {
617 [BTRFS_INODE_ITEM_KEY] = "INODE_ITEM",
618 [BTRFS_INODE_REF_KEY] = "INODE_REF",
619 [BTRFS_INODE_EXTREF_KEY] = "INODE_EXTREF",
620 [BTRFS_DIR_ITEM_KEY] = "DIR_ITEM",
621 [BTRFS_DIR_INDEX_KEY] = "DIR_INDEX",
622 [BTRFS_DIR_LOG_ITEM_KEY] = "DIR_LOG_ITEM",
623 [BTRFS_DIR_LOG_INDEX_KEY] = "DIR_LOG_INDEX",
624 [BTRFS_XATTR_ITEM_KEY] = "XATTR_ITEM",
625 [BTRFS_ORPHAN_ITEM_KEY] = "ORPHAN_ITEM",
626 [BTRFS_ROOT_ITEM_KEY] = "ROOT_ITEM",
627 [BTRFS_ROOT_REF_KEY] = "ROOT_REF",
628 [BTRFS_ROOT_BACKREF_KEY] = "ROOT_BACKREF",
629 [BTRFS_EXTENT_ITEM_KEY] = "EXTENT_ITEM",
630 [BTRFS_METADATA_ITEM_KEY] = "METADATA_ITEM",
631 [BTRFS_TREE_BLOCK_REF_KEY] = "TREE_BLOCK_REF",
632 [BTRFS_SHARED_BLOCK_REF_KEY] = "SHARED_BLOCK_REF",
633 [BTRFS_EXTENT_DATA_REF_KEY] = "EXTENT_DATA_REF",
634 [BTRFS_SHARED_DATA_REF_KEY] = "SHARED_DATA_REF",
635 [BTRFS_EXTENT_REF_V0_KEY] = "EXTENT_REF_V0",
636 [BTRFS_CSUM_ITEM_KEY] = "CSUM_ITEM",
637 [BTRFS_EXTENT_CSUM_KEY] = "EXTENT_CSUM",
638 [BTRFS_EXTENT_DATA_KEY] = "EXTENT_DATA",
639 [BTRFS_BLOCK_GROUP_ITEM_KEY] = "BLOCK_GROUP_ITEM",
640 [BTRFS_FREE_SPACE_INFO_KEY] = "FREE_SPACE_INFO",
641 [BTRFS_FREE_SPACE_EXTENT_KEY] = "FREE_SPACE_EXTENT",
642 [BTRFS_FREE_SPACE_BITMAP_KEY] = "FREE_SPACE_BITMAP",
643 [BTRFS_CHUNK_ITEM_KEY] = "CHUNK_ITEM",
644 [BTRFS_DEV_ITEM_KEY] = "DEV_ITEM",
645 [BTRFS_DEV_EXTENT_KEY] = "DEV_EXTENT",
646 [BTRFS_TEMPORARY_ITEM_KEY] = "TEMPORARY_ITEM",
647 [BTRFS_DEV_REPLACE_KEY] = "DEV_REPLACE",
648 [BTRFS_STRING_ITEM_KEY] = "STRING_ITEM",
649 [BTRFS_QGROUP_STATUS_KEY] = "QGROUP_STATUS",
650 [BTRFS_QGROUP_RELATION_KEY] = "QGROUP_RELATION",
651 [BTRFS_QGROUP_INFO_KEY] = "QGROUP_INFO",
652 [BTRFS_QGROUP_LIMIT_KEY] = "QGROUP_LIMIT",
653 [BTRFS_PERSISTENT_ITEM_KEY] = "PERSISTENT_ITEM",
654 [BTRFS_UUID_KEY_SUBVOL] = "UUID_KEY_SUBVOL",
655 [BTRFS_UUID_KEY_RECEIVED_SUBVOL] = "UUID_KEY_RECEIVED_SUBVOL",
658 if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID) {
659 fprintf(stream, "UNTYPED");
664 if (key_to_str[type])
665 fputs(key_to_str[type], stream);
667 fprintf(stream, "UNKNOWN.%d", type);
670 void print_objectid(FILE *stream, u64 objectid, u8 type)
673 case BTRFS_DEV_EXTENT_KEY:
675 fprintf(stream, "%llu", (unsigned long long)objectid);
677 case BTRFS_QGROUP_RELATION_KEY:
678 fprintf(stream, "%llu/%llu", btrfs_qgroup_level(objectid),
679 btrfs_qgroup_subvid(objectid));
681 case BTRFS_UUID_KEY_SUBVOL:
682 case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
683 fprintf(stream, "0x%016llx", (unsigned long long)objectid);
688 case BTRFS_ROOT_TREE_OBJECTID:
689 if (type == BTRFS_DEV_ITEM_KEY)
690 fprintf(stream, "DEV_ITEMS");
692 fprintf(stream, "ROOT_TREE");
694 case BTRFS_EXTENT_TREE_OBJECTID:
695 fprintf(stream, "EXTENT_TREE");
697 case BTRFS_CHUNK_TREE_OBJECTID:
698 fprintf(stream, "CHUNK_TREE");
700 case BTRFS_DEV_TREE_OBJECTID:
701 fprintf(stream, "DEV_TREE");
703 case BTRFS_FS_TREE_OBJECTID:
704 fprintf(stream, "FS_TREE");
706 case BTRFS_ROOT_TREE_DIR_OBJECTID:
707 fprintf(stream, "ROOT_TREE_DIR");
709 case BTRFS_CSUM_TREE_OBJECTID:
710 fprintf(stream, "CSUM_TREE");
712 case BTRFS_BALANCE_OBJECTID:
713 fprintf(stream, "BALANCE");
715 case BTRFS_ORPHAN_OBJECTID:
716 fprintf(stream, "ORPHAN");
718 case BTRFS_TREE_LOG_OBJECTID:
719 fprintf(stream, "TREE_LOG");
721 case BTRFS_TREE_LOG_FIXUP_OBJECTID:
722 fprintf(stream, "LOG_FIXUP");
724 case BTRFS_TREE_RELOC_OBJECTID:
725 fprintf(stream, "TREE_RELOC");
727 case BTRFS_DATA_RELOC_TREE_OBJECTID:
728 fprintf(stream, "DATA_RELOC_TREE");
730 case BTRFS_EXTENT_CSUM_OBJECTID:
731 fprintf(stream, "EXTENT_CSUM");
733 case BTRFS_FREE_SPACE_OBJECTID:
734 fprintf(stream, "FREE_SPACE");
736 case BTRFS_FREE_INO_OBJECTID:
737 fprintf(stream, "FREE_INO");
739 case BTRFS_QUOTA_TREE_OBJECTID:
740 fprintf(stream, "QUOTA_TREE");
742 case BTRFS_UUID_TREE_OBJECTID:
743 fprintf(stream, "UUID_TREE");
745 case BTRFS_FREE_SPACE_TREE_OBJECTID:
746 fprintf(stream, "FREE_SPACE_TREE");
748 case BTRFS_MULTIPLE_OBJECTIDS:
749 fprintf(stream, "MULTIPLE");
752 fprintf(stream, "-1");
754 case BTRFS_FIRST_CHUNK_TREE_OBJECTID:
755 if (type == BTRFS_CHUNK_ITEM_KEY) {
756 fprintf(stream, "FIRST_CHUNK_TREE");
761 fprintf(stream, "%llu", (unsigned long long)objectid);
765 void btrfs_print_key(struct btrfs_disk_key *disk_key)
767 u64 objectid = btrfs_disk_key_objectid(disk_key);
768 u8 type = btrfs_disk_key_type(disk_key);
769 u64 offset = btrfs_disk_key_offset(disk_key);
772 print_objectid(stdout, objectid, type);
774 print_key_type(stdout, objectid, type);
776 case BTRFS_QGROUP_RELATION_KEY:
777 case BTRFS_QGROUP_INFO_KEY:
778 case BTRFS_QGROUP_LIMIT_KEY:
779 printf(" %llu/%llu)", btrfs_qgroup_level(offset),
780 btrfs_qgroup_subvid(offset));
782 case BTRFS_UUID_KEY_SUBVOL:
783 case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
784 printf(" 0x%016llx)", (unsigned long long)offset);
787 if (offset == (u64)-1)
790 printf(" %llu)", (unsigned long long)offset);
795 static void print_uuid_item(struct extent_buffer *l, unsigned long offset,
798 if (item_size & (sizeof(u64) - 1)) {
799 printf("btrfs: uuid item with illegal size %lu!\n",
800 (unsigned long)item_size);
806 read_extent_buffer(l, &subvol_id, offset, sizeof(u64));
807 printf("\t\tsubvol_id %llu\n",
808 (unsigned long long)le64_to_cpu(subvol_id));
809 item_size -= sizeof(u64);
810 offset += sizeof(u64);
814 /* Btrfs inode flag stringification helper */
815 #define STRCAT_ONE_INODE_FLAG(flags, name, empty, dst) ({ \
816 if (flags & BTRFS_INODE_##name) { \
819 strcat(dst, #name); \
825 * Caller should ensure sizeof(*ret) >= 102: all charactors plus '|' of
826 * BTRFS_INODE_* flags
828 static void inode_flags_to_str(u64 flags, char *ret)
832 STRCAT_ONE_INODE_FLAG(flags, NODATASUM, empty, ret);
833 STRCAT_ONE_INODE_FLAG(flags, NODATACOW, empty, ret);
834 STRCAT_ONE_INODE_FLAG(flags, READONLY, empty, ret);
835 STRCAT_ONE_INODE_FLAG(flags, NOCOMPRESS, empty, ret);
836 STRCAT_ONE_INODE_FLAG(flags, PREALLOC, empty, ret);
837 STRCAT_ONE_INODE_FLAG(flags, SYNC, empty, ret);
838 STRCAT_ONE_INODE_FLAG(flags, IMMUTABLE, empty, ret);
839 STRCAT_ONE_INODE_FLAG(flags, APPEND, empty, ret);
840 STRCAT_ONE_INODE_FLAG(flags, NODUMP, empty, ret);
841 STRCAT_ONE_INODE_FLAG(flags, NOATIME, empty, ret);
842 STRCAT_ONE_INODE_FLAG(flags, DIRSYNC, empty, ret);
843 STRCAT_ONE_INODE_FLAG(flags, COMPRESS, empty, ret);
848 static void print_timespec(struct extent_buffer *eb,
849 struct btrfs_timespec *timespec, const char *prefix,
858 tmp_u64 = btrfs_timespec_sec(eb, timespec);
859 tmp_u32 = btrfs_timespec_nsec(eb, timespec);
861 localtime_r(&tmp_time, &tm);
862 strftime(timestamp, sizeof(timestamp),
863 "%Y-%m-%d %H:%M:%S", &tm);
864 printf("%s%llu.%u (%s)%s", prefix, (unsigned long long)tmp_u64, tmp_u32,
868 static void print_inode_item(struct extent_buffer *eb,
869 struct btrfs_inode_item *ii)
873 memset(flags_str, 0, sizeof(flags_str));
874 inode_flags_to_str(btrfs_inode_flags(eb, ii), flags_str);
875 printf("\t\tgeneration %llu transid %llu size %llu nbytes %llu\n"
876 "\t\tblock group %llu mode %o links %u uid %u gid %u rdev %llu\n"
877 "\t\tsequence %llu flags 0x%llx(%s)\n",
878 (unsigned long long)btrfs_inode_generation(eb, ii),
879 (unsigned long long)btrfs_inode_transid(eb, ii),
880 (unsigned long long)btrfs_inode_size(eb, ii),
881 (unsigned long long)btrfs_inode_nbytes(eb, ii),
882 (unsigned long long)btrfs_inode_block_group(eb,ii),
883 btrfs_inode_mode(eb, ii),
884 btrfs_inode_nlink(eb, ii),
885 btrfs_inode_uid(eb, ii),
886 btrfs_inode_gid(eb, ii),
887 (unsigned long long)btrfs_inode_rdev(eb,ii),
888 (unsigned long long)btrfs_inode_flags(eb,ii),
889 (unsigned long long)btrfs_inode_sequence(eb, ii),
891 print_timespec(eb, btrfs_inode_atime(ii), "\t\tatime ", "\n");
892 print_timespec(eb, btrfs_inode_ctime(ii), "\t\tctime ", "\n");
893 print_timespec(eb, btrfs_inode_mtime(ii), "\t\tmtime ", "\n");
894 print_timespec(eb, btrfs_inode_otime(ii), "\t\totime ", "\n");
897 static void print_disk_balance_args(struct btrfs_disk_balance_args *ba)
899 printf("\t\tprofiles %llu devid %llu target %llu flags %llu\n",
900 (unsigned long long)le64_to_cpu(ba->profiles),
901 (unsigned long long)le64_to_cpu(ba->devid),
902 (unsigned long long)le64_to_cpu(ba->target),
903 (unsigned long long)le64_to_cpu(ba->flags));
904 printf("\t\tusage_min %u usage_max %u pstart %llu pend %llu\n",
905 le32_to_cpu(ba->usage_min),
906 le32_to_cpu(ba->usage_max),
907 (unsigned long long)le64_to_cpu(ba->pstart),
908 (unsigned long long)le64_to_cpu(ba->pend));
909 printf("\t\tvstart %llu vend %llu limit_min %u limit_max %u\n",
910 (unsigned long long)le64_to_cpu(ba->vstart),
911 (unsigned long long)le64_to_cpu(ba->vend),
912 le32_to_cpu(ba->limit_min),
913 le32_to_cpu(ba->limit_max));
914 printf("\t\tstripes_min %u stripes_max %u\n",
915 le32_to_cpu(ba->stripes_min),
916 le32_to_cpu(ba->stripes_max));
919 static void print_balance_item(struct extent_buffer *eb,
920 struct btrfs_balance_item *bi)
922 printf("\t\tbalance status flags %llu\n",
923 btrfs_balance_item_flags(eb, bi));
925 printf("\t\tDATA\n");
926 print_disk_balance_args(btrfs_balance_item_data(eb, bi));
927 printf("\t\tMETADATA\n");
928 print_disk_balance_args(btrfs_balance_item_meta(eb, bi));
929 printf("\t\tSYSTEM\n");
930 print_disk_balance_args(btrfs_balance_item_sys(eb, bi));
933 static void print_dev_stats(struct extent_buffer *eb,
934 struct btrfs_dev_stats_item *stats, u32 size)
937 u32 known = BTRFS_DEV_STAT_VALUES_MAX * sizeof(__le64);
938 __le64 *values = btrfs_dev_stats_values(eb, stats);
940 printf("\t\tdevice stats\n");
941 printf("\t\twrite_errs %llu read_errs %llu flush_errs %llu corruption_errs %llu generation %llu\n",
942 (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_WRITE_ERRS]),
943 (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_READ_ERRS]),
944 (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_FLUSH_ERRS]),
945 (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_CORRUPTION_ERRS]),
946 (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_GENERATION_ERRS]));
949 printf("\t\tunknown stats item bytes %u", size - known);
950 for (i = BTRFS_DEV_STAT_VALUES_MAX; i * sizeof(__le64) < size; i++) {
951 printf("\t\tunknown item %u offset %zu value %llu\n",
952 i, i * sizeof(__le64),
953 (unsigned long long)le64_to_cpu(values[i]));
958 static void print_block_group_item(struct extent_buffer *eb,
959 struct btrfs_block_group_item *bgi)
961 struct btrfs_block_group_item bg_item;
964 read_extent_buffer(eb, &bg_item, (unsigned long)bgi, sizeof(bg_item));
965 memset(flags_str, 0, sizeof(flags_str));
966 bg_flags_to_str(btrfs_block_group_flags(&bg_item), flags_str);
967 printf("\t\tblock group used %llu chunk_objectid %llu flags %s\n",
968 (unsigned long long)btrfs_block_group_used(&bg_item),
969 (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item),
973 static void print_extent_data_ref(struct extent_buffer *eb, int slot)
975 struct btrfs_extent_data_ref *dref;
977 dref = btrfs_item_ptr(eb, slot, struct btrfs_extent_data_ref);
978 printf("\t\textent data backref root %llu "
979 "objectid %llu offset %llu count %u\n",
980 (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
981 (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
982 (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
983 btrfs_extent_data_ref_count(eb, dref));
986 static void print_shared_data_ref(struct extent_buffer *eb, int slot)
988 struct btrfs_shared_data_ref *sref;
990 sref = btrfs_item_ptr(eb, slot, struct btrfs_shared_data_ref);
991 printf("\t\tshared data backref count %u\n",
992 btrfs_shared_data_ref_count(eb, sref));
995 static void print_free_space_info(struct extent_buffer *eb, int slot)
997 struct btrfs_free_space_info *free_info;
999 free_info = btrfs_item_ptr(eb, slot, struct btrfs_free_space_info);
1000 printf("\t\tfree space info extent count %u flags %u\n",
1001 (unsigned)btrfs_free_space_extent_count(eb, free_info),
1002 (unsigned)btrfs_free_space_flags(eb, free_info));
1005 static void print_dev_extent(struct extent_buffer *eb, int slot)
1007 struct btrfs_dev_extent *dev_extent;
1008 u8 uuid[BTRFS_UUID_SIZE];
1009 char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
1011 dev_extent = btrfs_item_ptr(eb, slot, struct btrfs_dev_extent);
1012 read_extent_buffer(eb, uuid,
1013 (unsigned long)btrfs_dev_extent_chunk_tree_uuid(dev_extent),
1015 uuid_unparse(uuid, uuid_str);
1016 printf("\t\tdev extent chunk_tree %llu\n"
1017 "\t\tchunk_objectid %llu chunk_offset %llu "
1019 "\t\tchunk_tree_uuid %s\n",
1020 (unsigned long long)btrfs_dev_extent_chunk_tree(eb, dev_extent),
1021 (unsigned long long)btrfs_dev_extent_chunk_objectid(eb, dev_extent),
1022 (unsigned long long)btrfs_dev_extent_chunk_offset(eb, dev_extent),
1023 (unsigned long long)btrfs_dev_extent_length(eb, dev_extent),
1027 static void print_qgroup_status(struct extent_buffer *eb, int slot)
1029 struct btrfs_qgroup_status_item *qg_status;
1030 char flags_str[256];
1032 qg_status = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_status_item);
1033 memset(flags_str, 0, sizeof(flags_str));
1034 qgroup_flags_to_str(btrfs_qgroup_status_flags(eb, qg_status),
1036 printf("\t\tversion %llu generation %llu flags %s scan %lld\n",
1037 (unsigned long long)btrfs_qgroup_status_version(eb, qg_status),
1038 (unsigned long long)btrfs_qgroup_status_generation(eb, qg_status),
1040 (unsigned long long)btrfs_qgroup_status_rescan(eb, qg_status));
1043 static void print_qgroup_info(struct extent_buffer *eb, int slot)
1045 struct btrfs_qgroup_info_item *qg_info;
1047 qg_info = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_info_item);
1048 printf("\t\tgeneration %llu\n"
1049 "\t\treferenced %llu referenced_compressed %llu\n"
1050 "\t\texclusive %llu exclusive_compressed %llu\n",
1051 (unsigned long long)btrfs_qgroup_info_generation(eb, qg_info),
1052 (unsigned long long)btrfs_qgroup_info_referenced(eb, qg_info),
1053 (unsigned long long)btrfs_qgroup_info_referenced_compressed(eb,
1055 (unsigned long long)btrfs_qgroup_info_exclusive(eb, qg_info),
1056 (unsigned long long)btrfs_qgroup_info_exclusive_compressed(eb,
1060 static void print_qgroup_limit(struct extent_buffer *eb, int slot)
1062 struct btrfs_qgroup_limit_item *qg_limit;
1064 qg_limit = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_limit_item);
1065 printf("\t\tflags %llx\n"
1066 "\t\tmax_referenced %lld max_exclusive %lld\n"
1067 "\t\trsv_referenced %lld rsv_exclusive %lld\n",
1068 (unsigned long long)btrfs_qgroup_limit_flags(eb, qg_limit),
1069 (long long)btrfs_qgroup_limit_max_referenced(eb, qg_limit),
1070 (long long)btrfs_qgroup_limit_max_exclusive(eb, qg_limit),
1071 (long long)btrfs_qgroup_limit_rsv_referenced(eb, qg_limit),
1072 (long long)btrfs_qgroup_limit_rsv_exclusive(eb, qg_limit));
1075 static void print_persistent_item(struct extent_buffer *eb, void *ptr,
1076 u32 item_size, u64 objectid, u64 offset)
1078 printf("\t\tpersistent item objectid ");
1079 print_objectid(stdout, objectid, BTRFS_PERSISTENT_ITEM_KEY);
1080 printf(" offset %llu\n", (unsigned long long)offset);
1082 case BTRFS_DEV_STATS_OBJECTID:
1083 print_dev_stats(eb, ptr, item_size);
1086 printf("\t\tunknown persistent item objectid %llu\n", objectid);
1090 static void print_temporary_item(struct extent_buffer *eb, void *ptr,
1091 u64 objectid, u64 offset)
1093 printf("\t\ttemporary item objectid ");
1094 print_objectid(stdout, objectid, BTRFS_TEMPORARY_ITEM_KEY);
1095 printf(" offset %llu\n", (unsigned long long)offset);
1097 case BTRFS_BALANCE_OBJECTID:
1098 print_balance_item(eb, ptr);
1101 printf("\t\tunknown temporary item objectid %llu\n", objectid);
1105 /* Caller must ensure sizeof(*ret) >= 14 "WRITTEN|RELOC" */
1106 static void header_flags_to_str(u64 flags, char *ret)
1110 if (flags & BTRFS_HEADER_FLAG_WRITTEN) {
1112 strcpy(ret, "WRITTEN");
1114 if (flags & BTRFS_HEADER_FLAG_RELOC) {
1117 strcat(ret, "RELOC");
1121 void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
1123 struct btrfs_item *item;
1124 struct btrfs_disk_key disk_key;
1125 char flags_str[128];
1131 flags = btrfs_header_flags(eb) & ~BTRFS_BACKREF_REV_MASK;
1132 backref_rev = btrfs_header_flags(eb) >> BTRFS_BACKREF_REV_SHIFT;
1133 header_flags_to_str(flags, flags_str);
1134 nr = btrfs_header_nritems(eb);
1136 printf("leaf %llu items %d free space %d generation %llu owner %llu\n",
1137 (unsigned long long)btrfs_header_bytenr(eb), nr,
1138 btrfs_leaf_free_space(root, eb),
1139 (unsigned long long)btrfs_header_generation(eb),
1140 (unsigned long long)btrfs_header_owner(eb));
1141 printf("leaf %llu flags 0x%llx(%s) backref revision %d\n",
1142 btrfs_header_bytenr(eb), flags, flags_str, backref_rev);
1146 for (i = 0; i < nr; i++) {
1153 item = btrfs_item_nr(i);
1154 item_size = btrfs_item_size(eb, item);
1155 /* Untyped extraction of slot from btrfs_item_ptr */
1156 ptr = btrfs_item_ptr(eb, i, void*);
1158 btrfs_item_key(eb, &disk_key, i);
1159 objectid = btrfs_disk_key_objectid(&disk_key);
1160 type = btrfs_disk_key_type(&disk_key);
1161 offset = btrfs_disk_key_offset(&disk_key);
1163 printf("\titem %d ", i);
1164 btrfs_print_key(&disk_key);
1165 printf(" itemoff %d itemsize %d\n",
1166 btrfs_item_offset(eb, item),
1167 btrfs_item_size(eb, item));
1169 if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID)
1170 print_free_space_header(eb, i);
1173 case BTRFS_INODE_ITEM_KEY:
1174 print_inode_item(eb, ptr);
1176 case BTRFS_INODE_REF_KEY:
1177 print_inode_ref_item(eb, item_size, ptr);
1179 case BTRFS_INODE_EXTREF_KEY:
1180 print_inode_extref_item(eb, item_size, ptr);
1182 case BTRFS_DIR_ITEM_KEY:
1183 case BTRFS_DIR_INDEX_KEY:
1184 case BTRFS_XATTR_ITEM_KEY:
1185 print_dir_item(eb, item_size, ptr);
1187 case BTRFS_DIR_LOG_INDEX_KEY:
1188 case BTRFS_DIR_LOG_ITEM_KEY: {
1189 struct btrfs_dir_log_item *dlog;
1191 dlog = btrfs_item_ptr(eb, i, struct btrfs_dir_log_item);
1192 printf("\t\tdir log end %Lu\n",
1193 (unsigned long long)btrfs_dir_log_end(eb, dlog));
1196 case BTRFS_ORPHAN_ITEM_KEY:
1197 printf("\t\torphan item\n");
1199 case BTRFS_ROOT_ITEM_KEY:
1200 print_root_item(eb, i);
1202 case BTRFS_ROOT_REF_KEY:
1203 print_root_ref(eb, i, "ref");
1205 case BTRFS_ROOT_BACKREF_KEY:
1206 print_root_ref(eb, i, "backref");
1208 case BTRFS_EXTENT_ITEM_KEY:
1209 print_extent_item(eb, i, 0);
1211 case BTRFS_METADATA_ITEM_KEY:
1212 print_extent_item(eb, i, 1);
1214 case BTRFS_TREE_BLOCK_REF_KEY:
1215 printf("\t\ttree block backref\n");
1217 case BTRFS_SHARED_BLOCK_REF_KEY:
1218 printf("\t\tshared block backref\n");
1220 case BTRFS_EXTENT_DATA_REF_KEY:
1221 print_extent_data_ref(eb, i);
1223 case BTRFS_SHARED_DATA_REF_KEY:
1224 print_shared_data_ref(eb, i);
1226 case BTRFS_EXTENT_REF_V0_KEY:
1227 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
1228 print_extent_ref_v0(eb, i);
1233 case BTRFS_CSUM_ITEM_KEY:
1234 printf("\t\tcsum item\n");
1236 case BTRFS_EXTENT_CSUM_KEY: {
1238 btrfs_super_csum_size(root->fs_info->super_copy);
1239 u32 size = (item_size / csum_size) *
1240 root->fs_info->sectorsize;
1241 printf("\t\textent csum item range %llu-%llu\n",
1242 (unsigned long long)disk_key.offset,
1243 (unsigned long long)disk_key.offset + size);
1246 case BTRFS_EXTENT_DATA_KEY:
1247 print_file_extent_item(eb, item, i, ptr);
1249 case BTRFS_BLOCK_GROUP_ITEM_KEY:
1250 print_block_group_item(eb, ptr);
1252 case BTRFS_FREE_SPACE_INFO_KEY:
1253 print_free_space_info(eb, i);
1255 case BTRFS_FREE_SPACE_EXTENT_KEY:
1256 printf("\t\tfree space extent\n");
1258 case BTRFS_FREE_SPACE_BITMAP_KEY:
1259 printf("\t\tfree space bitmap\n");
1261 case BTRFS_CHUNK_ITEM_KEY:
1262 print_chunk_item(eb, ptr);
1264 case BTRFS_DEV_ITEM_KEY:
1265 print_dev_item(eb, ptr);
1267 case BTRFS_DEV_EXTENT_KEY:
1268 print_dev_extent(eb, i);
1270 case BTRFS_QGROUP_STATUS_KEY:
1271 print_qgroup_status(eb, i);
1273 case BTRFS_QGROUP_RELATION_KEY:
1275 case BTRFS_QGROUP_INFO_KEY:
1276 print_qgroup_info(eb, i);
1278 case BTRFS_QGROUP_LIMIT_KEY:
1279 print_qgroup_limit(eb, i);
1281 case BTRFS_UUID_KEY_SUBVOL:
1282 case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
1283 print_uuid_item(eb, btrfs_item_ptr_offset(eb, i),
1284 btrfs_item_size_nr(eb, i));
1286 case BTRFS_STRING_ITEM_KEY: {
1287 const char *str = eb->data + btrfs_item_ptr_offset(eb, i);
1289 printf("\t\titem data %.*s\n", item_size, str);
1292 case BTRFS_PERSISTENT_ITEM_KEY:
1293 print_persistent_item(eb, ptr, item_size, objectid,
1296 case BTRFS_TEMPORARY_ITEM_KEY:
1297 print_temporary_item(eb, ptr, objectid, offset);
1304 void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb, int follow)
1308 struct btrfs_disk_key disk_key;
1309 struct btrfs_key key;
1310 struct extent_buffer *next;
1314 nr = btrfs_header_nritems(eb);
1315 if (btrfs_is_leaf(eb)) {
1316 btrfs_print_leaf(root, eb);
1319 printf("node %llu level %d items %d free %u generation %llu owner %llu\n",
1320 (unsigned long long)eb->start,
1321 btrfs_header_level(eb), nr,
1322 (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr,
1323 (unsigned long long)btrfs_header_generation(eb),
1324 (unsigned long long)btrfs_header_owner(eb));
1327 for (i = 0; i < nr; i++) {
1328 u64 blocknr = btrfs_node_blockptr(eb, i);
1329 btrfs_node_key(eb, &disk_key, i);
1330 btrfs_disk_key_to_cpu(&key, &disk_key);
1332 btrfs_print_key(&disk_key);
1333 printf(" block %llu (%llu) gen %llu\n",
1334 (unsigned long long)blocknr,
1335 (unsigned long long)blocknr / root->fs_info->nodesize,
1336 (unsigned long long)btrfs_node_ptr_generation(eb, i));
1342 for (i = 0; i < nr; i++) {
1343 next = read_tree_block(root->fs_info,
1344 btrfs_node_blockptr(eb, i),
1345 btrfs_node_ptr_generation(eb, i));
1346 if (!extent_buffer_uptodate(next)) {
1347 fprintf(stderr, "failed to read %llu in tree %llu\n",
1348 (unsigned long long)btrfs_node_blockptr(eb, i),
1349 (unsigned long long)btrfs_header_owner(eb));
1352 if (btrfs_is_leaf(next) && btrfs_header_level(eb) != 1) {
1354 "eb corrupted: item %d eb level %d next level %d, skipping the rest",
1355 i, btrfs_header_level(next),
1356 btrfs_header_level(eb));
1359 if (btrfs_header_level(next) != btrfs_header_level(eb) - 1) {
1361 "eb corrupted: item %d eb level %d next level %d, skipping the rest",
1362 i, btrfs_header_level(next),
1363 btrfs_header_level(eb));
1366 btrfs_print_tree(root, next, 1);
1367 free_extent_buffer(next);
1373 free_extent_buffer(next);