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);
36 case BTRFS_FT_REG_FILE:
54 case BTRFS_FT_SYMLINK:
65 static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item,
66 struct btrfs_dir_item *di)
73 char namebuf[BTRFS_NAME_LEN];
74 struct btrfs_disk_key location;
76 total = btrfs_item_size(eb, item);
78 btrfs_dir_item_key(eb, di, &location);
79 printf("\t\tlocation ");
80 btrfs_print_key(&location);
82 print_dir_item_type(eb, di);
84 name_len = btrfs_dir_name_len(eb, di);
85 data_len = btrfs_dir_data_len(eb, di);
86 len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
87 read_extent_buffer(eb, namebuf, (unsigned long)(di + 1), len);
88 printf("\t\tnamelen %u datalen %u name: %.*s\n",
89 name_len, data_len, len, namebuf);
91 len = (data_len <= sizeof(namebuf))? data_len: sizeof(namebuf);
92 read_extent_buffer(eb, namebuf,
93 (unsigned long)(di + 1) + name_len, len);
94 printf("\t\tdata %.*s\n", len, namebuf);
96 len = sizeof(*di) + name_len + data_len;
97 di = (struct btrfs_dir_item *)((char *)di + len);
103 static int print_inode_extref_item(struct extent_buffer *eb,
104 struct btrfs_item *item,
105 struct btrfs_inode_extref *extref)
113 char namebuf[BTRFS_NAME_LEN];
115 total = btrfs_item_size(eb, item);
117 while (cur < total) {
118 index = btrfs_inode_extref_index(eb, extref);
119 name_len = btrfs_inode_extref_name_len(eb, extref);
120 parent_objid = btrfs_inode_extref_parent(eb, extref);
122 len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
124 read_extent_buffer(eb, namebuf, (unsigned long)(extref->name), len);
126 printf("\t\tinode extref index %llu parent %llu namelen %u "
128 (unsigned long long)index,
129 (unsigned long long)parent_objid,
130 name_len, len, namebuf);
132 len = sizeof(*extref) + name_len;
133 extref = (struct btrfs_inode_extref *)((char *)extref + len);
139 static int print_inode_ref_item(struct extent_buffer *eb, struct btrfs_item *item,
140 struct btrfs_inode_ref *ref)
147 char namebuf[BTRFS_NAME_LEN];
148 total = btrfs_item_size(eb, item);
150 name_len = btrfs_inode_ref_name_len(eb, ref);
151 index = btrfs_inode_ref_index(eb, ref);
152 len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
153 read_extent_buffer(eb, namebuf, (unsigned long)(ref + 1), len);
154 printf("\t\tinode ref index %llu namelen %u name: %.*s\n",
155 (unsigned long long)index, name_len, len, namebuf);
156 len = sizeof(*ref) + name_len;
157 ref = (struct btrfs_inode_ref *)((char *)ref + len);
163 /* Caller should ensure sizeof(*ret)>=21 "DATA|METADATA|RAID10" */
164 static void bg_flags_to_str(u64 flags, char *ret)
168 if (flags & BTRFS_BLOCK_GROUP_DATA) {
172 if (flags & BTRFS_BLOCK_GROUP_METADATA) {
175 strcat(ret, "METADATA");
177 if (flags & BTRFS_BLOCK_GROUP_SYSTEM) {
180 strcat(ret, "SYSTEM");
182 switch (flags & BTRFS_BLOCK_GROUP_PROFILE_MASK) {
183 case BTRFS_BLOCK_GROUP_RAID0:
184 strcat(ret, "|RAID0");
186 case BTRFS_BLOCK_GROUP_RAID1:
187 strcat(ret, "|RAID1");
189 case BTRFS_BLOCK_GROUP_DUP:
192 case BTRFS_BLOCK_GROUP_RAID10:
193 strcat(ret, "|RAID10");
195 case BTRFS_BLOCK_GROUP_RAID5:
196 strcat(ret, "|RAID5");
198 case BTRFS_BLOCK_GROUP_RAID6:
199 strcat(ret, "|RAID6");
206 void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
208 int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
210 char chunk_flags_str[32] = {0};
212 bg_flags_to_str(btrfs_chunk_type(eb, chunk), chunk_flags_str);
213 printf("\t\tchunk length %llu owner %llu type %s num_stripes %d\n",
214 (unsigned long long)btrfs_chunk_length(eb, chunk),
215 (unsigned long long)btrfs_chunk_owner(eb, chunk),
216 chunk_flags_str, num_stripes);
217 for (i = 0 ; i < num_stripes ; i++) {
218 printf("\t\t\tstripe %d devid %llu offset %llu\n", i,
219 (unsigned long long)btrfs_stripe_devid_nr(eb, chunk, i),
220 (unsigned long long)btrfs_stripe_offset_nr(eb, chunk, i));
224 static void print_dev_item(struct extent_buffer *eb,
225 struct btrfs_dev_item *dev_item)
227 char disk_uuid_c[BTRFS_UUID_UNPARSED_SIZE];
228 u8 disk_uuid[BTRFS_UUID_SIZE];
230 read_extent_buffer(eb, disk_uuid,
231 (unsigned long)btrfs_device_uuid(dev_item),
233 uuid_unparse(disk_uuid, disk_uuid_c);
234 printf("\t\tdev item devid %llu "
235 "total_bytes %llu bytes used %Lu\n"
237 (unsigned long long)btrfs_device_id(eb, dev_item),
238 (unsigned long long)btrfs_device_total_bytes(eb, dev_item),
239 (unsigned long long)btrfs_device_bytes_used(eb, dev_item),
243 static void print_uuids(struct extent_buffer *eb)
245 char fs_uuid[BTRFS_UUID_UNPARSED_SIZE];
246 char chunk_uuid[BTRFS_UUID_UNPARSED_SIZE];
247 u8 disk_uuid[BTRFS_UUID_SIZE];
249 read_extent_buffer(eb, disk_uuid, btrfs_header_fsid(),
252 fs_uuid[BTRFS_UUID_UNPARSED_SIZE - 1] = '\0';
253 uuid_unparse(disk_uuid, fs_uuid);
255 read_extent_buffer(eb, disk_uuid,
256 btrfs_header_chunk_tree_uuid(eb),
259 chunk_uuid[BTRFS_UUID_UNPARSED_SIZE - 1] = '\0';
260 uuid_unparse(disk_uuid, chunk_uuid);
261 printf("fs uuid %s\nchunk uuid %s\n", fs_uuid, chunk_uuid);
264 static void print_file_extent_item(struct extent_buffer *eb,
265 struct btrfs_item *item,
267 struct btrfs_file_extent_item *fi)
269 int extent_type = btrfs_file_extent_type(eb, fi);
271 if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
272 printf("\t\tinline extent data size %u "
273 "ram %u compress %d\n",
274 btrfs_file_extent_inline_item_len(eb, item),
275 btrfs_file_extent_inline_len(eb, slot, fi),
276 btrfs_file_extent_compression(eb, fi));
279 if (extent_type == BTRFS_FILE_EXTENT_PREALLOC) {
280 printf("\t\tprealloc data disk byte %llu nr %llu\n",
281 (unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
282 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
283 printf("\t\tprealloc data offset %llu nr %llu\n",
284 (unsigned long long)btrfs_file_extent_offset(eb, fi),
285 (unsigned long long)btrfs_file_extent_num_bytes(eb, fi));
288 printf("\t\textent data disk byte %llu nr %llu\n",
289 (unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
290 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
291 printf("\t\textent data offset %llu nr %llu ram %llu\n",
292 (unsigned long long)btrfs_file_extent_offset(eb, fi),
293 (unsigned long long)btrfs_file_extent_num_bytes(eb, fi),
294 (unsigned long long)btrfs_file_extent_ram_bytes(eb, fi));
295 printf("\t\textent compression %d\n",
296 btrfs_file_extent_compression(eb, fi));
299 /* Caller should ensure sizeof(*ret) >= 16("DATA|TREE_BLOCK") */
300 static void extent_flags_to_str(u64 flags, char *ret)
304 if (flags & BTRFS_EXTENT_FLAG_DATA) {
308 if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
313 strcat(ret, "TREE_BLOCK");
315 if (flags & BTRFS_BLOCK_FLAG_FULL_BACKREF) {
317 strcat(ret, "FULL_BACKREF");
321 void print_extent_item(struct extent_buffer *eb, int slot, int metadata)
323 struct btrfs_extent_item *ei;
324 struct btrfs_extent_inline_ref *iref;
325 struct btrfs_extent_data_ref *dref;
326 struct btrfs_shared_data_ref *sref;
327 struct btrfs_disk_key key;
331 u32 item_size = btrfs_item_size_nr(eb, slot);
334 char flags_str[32] = {0};
336 if (item_size < sizeof(*ei)) {
337 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
338 struct btrfs_extent_item_v0 *ei0;
339 BUG_ON(item_size != sizeof(*ei0));
340 ei0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_item_v0);
341 printf("\t\textent refs %u\n",
342 btrfs_extent_refs_v0(eb, ei0));
349 ei = btrfs_item_ptr(eb, slot, struct btrfs_extent_item);
350 flags = btrfs_extent_flags(eb, ei);
351 extent_flags_to_str(flags, flags_str);
353 printf("\t\textent refs %llu gen %llu flags %s\n",
354 (unsigned long long)btrfs_extent_refs(eb, ei),
355 (unsigned long long)btrfs_extent_generation(eb, ei),
358 if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK && !metadata) {
359 struct btrfs_tree_block_info *info;
360 info = (struct btrfs_tree_block_info *)(ei + 1);
361 btrfs_tree_block_key(eb, info, &key);
362 printf("\t\ttree block ");
363 btrfs_print_key(&key);
364 printf(" level %d\n", btrfs_tree_block_level(eb, info));
365 iref = (struct btrfs_extent_inline_ref *)(info + 1);
366 } else if (metadata) {
367 struct btrfs_key tmp;
369 btrfs_item_key_to_cpu(eb, &tmp, slot);
370 printf("\t\ttree block skinny level %d\n", (int)tmp.offset);
371 iref = (struct btrfs_extent_inline_ref *)(ei + 1);
373 iref = (struct btrfs_extent_inline_ref *)(ei + 1);
376 ptr = (unsigned long)iref;
377 end = (unsigned long)ei + item_size;
379 iref = (struct btrfs_extent_inline_ref *)ptr;
380 type = btrfs_extent_inline_ref_type(eb, iref);
381 offset = btrfs_extent_inline_ref_offset(eb, iref);
383 case BTRFS_TREE_BLOCK_REF_KEY:
384 printf("\t\ttree block backref root %llu\n",
385 (unsigned long long)offset);
387 case BTRFS_SHARED_BLOCK_REF_KEY:
388 printf("\t\tshared block backref parent %llu\n",
389 (unsigned long long)offset);
391 case BTRFS_EXTENT_DATA_REF_KEY:
392 dref = (struct btrfs_extent_data_ref *)(&iref->offset);
393 printf("\t\textent data backref root %llu "
394 "objectid %llu offset %llu count %u\n",
395 (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
396 (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
397 (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
398 btrfs_extent_data_ref_count(eb, dref));
400 case BTRFS_SHARED_DATA_REF_KEY:
401 sref = (struct btrfs_shared_data_ref *)(iref + 1);
402 printf("\t\tshared data backref parent %llu count %u\n",
403 (unsigned long long)offset,
404 btrfs_shared_data_ref_count(eb, sref));
409 ptr += btrfs_extent_inline_ref_size(type);
414 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
415 static void print_extent_ref_v0(struct extent_buffer *eb, int slot)
417 struct btrfs_extent_ref_v0 *ref0;
419 ref0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_ref_v0);
420 printf("\t\textent back ref root %llu gen %llu "
421 "owner %llu num_refs %lu\n",
422 (unsigned long long)btrfs_ref_root_v0(eb, ref0),
423 (unsigned long long)btrfs_ref_generation_v0(eb, ref0),
424 (unsigned long long)btrfs_ref_objectid_v0(eb, ref0),
425 (unsigned long)btrfs_ref_count_v0(eb, ref0));
429 static void print_root_ref(struct extent_buffer *leaf, int slot, char *tag)
431 struct btrfs_root_ref *ref;
432 char namebuf[BTRFS_NAME_LEN];
435 ref = btrfs_item_ptr(leaf, slot, struct btrfs_root_ref);
436 namelen = btrfs_root_ref_name_len(leaf, ref);
437 read_extent_buffer(leaf, namebuf, (unsigned long)(ref + 1), namelen);
438 printf("\t\troot %s key dirid %llu sequence %llu name %.*s\n", tag,
439 (unsigned long long)btrfs_root_ref_dirid(leaf, ref),
440 (unsigned long long)btrfs_root_ref_sequence(leaf, ref),
444 static int count_bytes(void *buf, int len, char b)
448 for (i = 0; i < len; i++) {
449 if (((char*)buf)[i] == b)
455 static void print_root(struct extent_buffer *leaf, int slot)
457 struct btrfs_root_item *ri;
458 struct btrfs_root_item root_item;
460 char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
462 ri = btrfs_item_ptr(leaf, slot, struct btrfs_root_item);
463 len = btrfs_item_size_nr(leaf, slot);
465 memset(&root_item, 0, sizeof(root_item));
466 read_extent_buffer(leaf, &root_item, (unsigned long)ri, len);
468 printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu\n",
469 (unsigned long long)btrfs_root_bytenr(&root_item),
470 btrfs_root_level(&root_item),
471 (unsigned long long)btrfs_root_dirid(&root_item),
472 btrfs_root_refs(&root_item),
473 (unsigned long long)btrfs_root_generation(&root_item));
475 if (root_item.generation == root_item.generation_v2) {
476 uuid_unparse(root_item.uuid, uuid_str);
477 printf("\t\tuuid %s\n", uuid_str);
478 if (count_bytes(root_item.parent_uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) {
479 uuid_unparse(root_item.parent_uuid, uuid_str);
480 printf("\t\tparent_uuid %s\n", uuid_str);
482 if (count_bytes(root_item.received_uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) {
483 uuid_unparse(root_item.received_uuid, uuid_str);
484 printf("\t\treceived_uuid %s\n", uuid_str);
486 if (root_item.ctransid) {
487 printf("\t\tctransid %llu otransid %llu stransid %llu rtransid %llu\n",
488 btrfs_root_ctransid(&root_item),
489 btrfs_root_otransid(&root_item),
490 btrfs_root_stransid(&root_item),
491 btrfs_root_rtransid(&root_item));
494 if (btrfs_root_refs(&root_item) == 0) {
495 struct btrfs_key drop_key;
496 btrfs_disk_key_to_cpu(&drop_key,
497 &root_item.drop_progress);
499 btrfs_print_key(&root_item.drop_progress);
500 printf(" level %d\n", root_item.drop_level);
504 static void print_free_space_header(struct extent_buffer *leaf, int slot)
506 struct btrfs_free_space_header *header;
507 struct btrfs_disk_key location;
509 header = btrfs_item_ptr(leaf, slot, struct btrfs_free_space_header);
510 btrfs_free_space_key(leaf, header, &location);
511 printf("\t\tlocation ");
512 btrfs_print_key(&location);
514 printf("\t\tcache generation %llu entries %llu bitmaps %llu\n",
515 (unsigned long long)btrfs_free_space_generation(leaf, header),
516 (unsigned long long)btrfs_free_space_entries(leaf, header),
517 (unsigned long long)btrfs_free_space_bitmaps(leaf, header));
520 static void print_key_type(u64 objectid, u8 type)
522 if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID) {
528 case BTRFS_INODE_ITEM_KEY:
529 printf("INODE_ITEM");
531 case BTRFS_INODE_REF_KEY:
534 case BTRFS_INODE_EXTREF_KEY:
535 printf("INODE_EXTREF");
537 case BTRFS_DIR_ITEM_KEY:
540 case BTRFS_DIR_INDEX_KEY:
543 case BTRFS_DIR_LOG_ITEM_KEY:
544 printf("DIR_LOG_ITEM");
546 case BTRFS_DIR_LOG_INDEX_KEY:
547 printf("DIR_LOG_INDEX");
549 case BTRFS_XATTR_ITEM_KEY:
550 printf("XATTR_ITEM");
552 case BTRFS_ORPHAN_ITEM_KEY:
553 printf("ORPHAN_ITEM");
555 case BTRFS_ROOT_ITEM_KEY:
558 case BTRFS_ROOT_REF_KEY:
561 case BTRFS_ROOT_BACKREF_KEY:
562 printf("ROOT_BACKREF");
564 case BTRFS_EXTENT_ITEM_KEY:
565 printf("EXTENT_ITEM");
567 case BTRFS_METADATA_ITEM_KEY:
568 printf("METADATA_ITEM");
570 case BTRFS_TREE_BLOCK_REF_KEY:
571 printf("TREE_BLOCK_REF");
573 case BTRFS_SHARED_BLOCK_REF_KEY:
574 printf("SHARED_BLOCK_REF");
576 case BTRFS_EXTENT_DATA_REF_KEY:
577 printf("EXTENT_DATA_REF");
579 case BTRFS_SHARED_DATA_REF_KEY:
580 printf("SHARED_DATA_REF");
582 case BTRFS_EXTENT_REF_V0_KEY:
583 printf("EXTENT_REF_V0");
585 case BTRFS_CSUM_ITEM_KEY:
588 case BTRFS_EXTENT_CSUM_KEY:
589 printf("EXTENT_CSUM");
591 case BTRFS_EXTENT_DATA_KEY:
592 printf("EXTENT_DATA");
594 case BTRFS_BLOCK_GROUP_ITEM_KEY:
595 printf("BLOCK_GROUP_ITEM");
597 case BTRFS_CHUNK_ITEM_KEY:
598 printf("CHUNK_ITEM");
600 case BTRFS_DEV_ITEM_KEY:
603 case BTRFS_DEV_EXTENT_KEY:
604 printf("DEV_EXTENT");
606 case BTRFS_BALANCE_ITEM_KEY:
607 printf("BALANCE_ITEM");
609 case BTRFS_DEV_REPLACE_KEY:
610 printf("DEV_REPLACE_ITEM");
612 case BTRFS_STRING_ITEM_KEY:
613 printf("STRING_ITEM");
615 case BTRFS_QGROUP_STATUS_KEY:
616 printf("BTRFS_STATUS_KEY");
618 case BTRFS_QGROUP_RELATION_KEY:
619 printf("BTRFS_QGROUP_RELATION_KEY");
621 case BTRFS_QGROUP_INFO_KEY:
622 printf("BTRFS_QGROUP_INFO_KEY");
624 case BTRFS_QGROUP_LIMIT_KEY:
625 printf("BTRFS_QGROUP_LIMIT_KEY");
627 case BTRFS_DEV_STATS_KEY:
628 printf("DEV_STATS_ITEM");
630 case BTRFS_UUID_KEY_SUBVOL:
631 printf("BTRFS_UUID_KEY_SUBVOL");
633 case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
634 printf("BTRFS_UUID_KEY_RECEIVED_SUBVOL");
637 printf("UNKNOWN.%d", type);
641 static void print_objectid(u64 objectid, u8 type)
644 case BTRFS_DEV_EXTENT_KEY:
645 printf("%llu", (unsigned long long)objectid); /* device id */
647 case BTRFS_QGROUP_RELATION_KEY:
648 printf("%llu/%llu", btrfs_qgroup_level(objectid),
649 btrfs_qgroup_subvid(objectid));
651 case BTRFS_UUID_KEY_SUBVOL:
652 case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
653 printf("0x%016llx", (unsigned long long)objectid);
658 case BTRFS_ROOT_TREE_OBJECTID:
659 if (type == BTRFS_DEV_ITEM_KEY)
664 case BTRFS_EXTENT_TREE_OBJECTID:
665 printf("EXTENT_TREE");
667 case BTRFS_CHUNK_TREE_OBJECTID:
668 printf("CHUNK_TREE");
670 case BTRFS_DEV_TREE_OBJECTID:
673 case BTRFS_FS_TREE_OBJECTID:
676 case BTRFS_ROOT_TREE_DIR_OBJECTID:
677 printf("ROOT_TREE_DIR");
679 case BTRFS_CSUM_TREE_OBJECTID:
682 case BTRFS_BALANCE_OBJECTID:
685 case BTRFS_ORPHAN_OBJECTID:
688 case BTRFS_TREE_LOG_OBJECTID:
691 case BTRFS_TREE_LOG_FIXUP_OBJECTID:
694 case BTRFS_TREE_RELOC_OBJECTID:
695 printf("TREE_RELOC");
697 case BTRFS_DATA_RELOC_TREE_OBJECTID:
698 printf("DATA_RELOC_TREE");
700 case BTRFS_EXTENT_CSUM_OBJECTID:
701 printf("EXTENT_CSUM");
703 case BTRFS_FREE_SPACE_OBJECTID:
704 printf("FREE_SPACE");
706 case BTRFS_FREE_INO_OBJECTID:
709 case BTRFS_QUOTA_TREE_OBJECTID:
710 printf("QUOTA_TREE");
712 case BTRFS_UUID_TREE_OBJECTID:
715 case BTRFS_MULTIPLE_OBJECTIDS:
721 case BTRFS_FIRST_CHUNK_TREE_OBJECTID:
722 if (type == BTRFS_CHUNK_ITEM_KEY) {
723 printf("FIRST_CHUNK_TREE");
728 printf("%llu", (unsigned long long)objectid);
732 void btrfs_print_key(struct btrfs_disk_key *disk_key)
734 u64 objectid = btrfs_disk_key_objectid(disk_key);
735 u8 type = btrfs_disk_key_type(disk_key);
736 u64 offset = btrfs_disk_key_offset(disk_key);
739 print_objectid(objectid, type);
741 print_key_type(objectid, type);
743 case BTRFS_QGROUP_RELATION_KEY:
744 case BTRFS_QGROUP_INFO_KEY:
745 case BTRFS_QGROUP_LIMIT_KEY:
746 printf(" %llu/%llu)", btrfs_qgroup_level(offset),
747 btrfs_qgroup_subvid(offset));
749 case BTRFS_UUID_KEY_SUBVOL:
750 case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
751 printf(" 0x%016llx)", (unsigned long long)offset);
754 if (offset == (u64)-1)
757 printf(" %llu)", (unsigned long long)offset);
762 static void print_uuid_item(struct extent_buffer *l, unsigned long offset,
765 if (item_size & (sizeof(u64) - 1)) {
766 printf("btrfs: uuid item with illegal size %lu!\n",
767 (unsigned long)item_size);
773 read_extent_buffer(l, &subvol_id, offset, sizeof(u64));
774 printf("\t\tsubvol_id %llu\n",
775 (unsigned long long)le64_to_cpu(subvol_id));
776 item_size -= sizeof(u64);
777 offset += sizeof(u64);
781 void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
785 struct btrfs_item *item;
786 struct btrfs_dir_item *di;
787 struct btrfs_inode_item *ii;
788 struct btrfs_file_extent_item *fi;
789 struct btrfs_block_group_item *bi;
790 struct btrfs_extent_data_ref *dref;
791 struct btrfs_shared_data_ref *sref;
792 struct btrfs_inode_ref *iref;
793 struct btrfs_inode_extref *iref2;
794 struct btrfs_dev_extent *dev_extent;
795 struct btrfs_disk_key disk_key;
796 struct btrfs_block_group_item bg_item;
797 struct btrfs_dir_log_item *dlog;
798 struct btrfs_qgroup_info_item *qg_info;
799 struct btrfs_qgroup_limit_item *qg_limit;
800 struct btrfs_qgroup_status_item *qg_status;
801 u32 nr = btrfs_header_nritems(l);
804 char bg_flags_str[32];
806 printf("leaf %llu items %d free space %d generation %llu owner %llu\n",
807 (unsigned long long)btrfs_header_bytenr(l), nr,
808 btrfs_leaf_free_space(root, l),
809 (unsigned long long)btrfs_header_generation(l),
810 (unsigned long long)btrfs_header_owner(l));
813 for (i = 0 ; i < nr ; i++) {
814 item = btrfs_item_nr(i);
815 btrfs_item_key(l, &disk_key, i);
816 objectid = btrfs_disk_key_objectid(&disk_key);
817 type = btrfs_disk_key_type(&disk_key);
818 printf("\titem %d ", i);
819 btrfs_print_key(&disk_key);
820 printf(" itemoff %d itemsize %d\n",
821 btrfs_item_offset(l, item),
822 btrfs_item_size(l, item));
824 if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID)
825 print_free_space_header(l, i);
828 case BTRFS_INODE_ITEM_KEY:
829 ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
830 printf("\t\tinode generation %llu transid %llu size %llu block group %llu mode %o links %u uid %u gid %u rdev %llu flags 0x%llx\n",
831 (unsigned long long)btrfs_inode_generation(l, ii),
832 (unsigned long long)btrfs_inode_transid(l, ii),
833 (unsigned long long)btrfs_inode_size(l, ii),
834 (unsigned long long)btrfs_inode_block_group(l,ii),
835 btrfs_inode_mode(l, ii),
836 btrfs_inode_nlink(l, ii),
837 btrfs_inode_uid(l, ii),
838 btrfs_inode_gid(l, ii),
839 (unsigned long long)btrfs_inode_rdev(l,ii),
840 (unsigned long long)btrfs_inode_flags(l,ii));
842 case BTRFS_INODE_REF_KEY:
843 iref = btrfs_item_ptr(l, i, struct btrfs_inode_ref);
844 print_inode_ref_item(l, item, iref);
846 case BTRFS_INODE_EXTREF_KEY:
847 iref2 = btrfs_item_ptr(l, i, struct btrfs_inode_extref);
848 print_inode_extref_item(l, item, iref2);
850 case BTRFS_DIR_ITEM_KEY:
851 case BTRFS_DIR_INDEX_KEY:
852 case BTRFS_XATTR_ITEM_KEY:
853 di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
854 print_dir_item(l, item, di);
856 case BTRFS_DIR_LOG_INDEX_KEY:
857 case BTRFS_DIR_LOG_ITEM_KEY:
858 dlog = btrfs_item_ptr(l, i, struct btrfs_dir_log_item);
859 printf("\t\tdir log end %Lu\n",
860 (unsigned long long)btrfs_dir_log_end(l, dlog));
862 case BTRFS_ORPHAN_ITEM_KEY:
863 printf("\t\torphan item\n");
865 case BTRFS_ROOT_ITEM_KEY:
868 case BTRFS_ROOT_REF_KEY:
869 print_root_ref(l, i, "ref");
871 case BTRFS_ROOT_BACKREF_KEY:
872 print_root_ref(l, i, "backref");
874 case BTRFS_EXTENT_ITEM_KEY:
875 print_extent_item(l, i, 0);
877 case BTRFS_METADATA_ITEM_KEY:
878 print_extent_item(l, i, 1);
880 case BTRFS_TREE_BLOCK_REF_KEY:
881 printf("\t\ttree block backref\n");
883 case BTRFS_SHARED_BLOCK_REF_KEY:
884 printf("\t\tshared block backref\n");
886 case BTRFS_EXTENT_DATA_REF_KEY:
887 dref = btrfs_item_ptr(l, i, struct btrfs_extent_data_ref);
888 printf("\t\textent data backref root %llu "
889 "objectid %llu offset %llu count %u\n",
890 (unsigned long long)btrfs_extent_data_ref_root(l, dref),
891 (unsigned long long)btrfs_extent_data_ref_objectid(l, dref),
892 (unsigned long long)btrfs_extent_data_ref_offset(l, dref),
893 btrfs_extent_data_ref_count(l, dref));
895 case BTRFS_SHARED_DATA_REF_KEY:
896 sref = btrfs_item_ptr(l, i, struct btrfs_shared_data_ref);
897 printf("\t\tshared data backref count %u\n",
898 btrfs_shared_data_ref_count(l, sref));
900 case BTRFS_EXTENT_REF_V0_KEY:
901 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
902 print_extent_ref_v0(l, i);
907 case BTRFS_CSUM_ITEM_KEY:
908 printf("\t\tcsum item\n");
910 case BTRFS_EXTENT_CSUM_KEY:
911 printf("\t\textent csum item\n");
913 case BTRFS_EXTENT_DATA_KEY:
914 fi = btrfs_item_ptr(l, i,
915 struct btrfs_file_extent_item);
916 print_file_extent_item(l, item, i, fi);
918 case BTRFS_BLOCK_GROUP_ITEM_KEY:
919 bi = btrfs_item_ptr(l, i,
920 struct btrfs_block_group_item);
921 read_extent_buffer(l, &bg_item, (unsigned long)bi,
923 memset(bg_flags_str, 0, sizeof(bg_flags_str));
924 bg_flags_to_str(btrfs_block_group_flags(&bg_item),
926 printf("\t\tblock group used %llu chunk_objectid %llu flags %s\n",
927 (unsigned long long)btrfs_block_group_used(&bg_item),
928 (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item),
931 case BTRFS_CHUNK_ITEM_KEY:
932 print_chunk(l, btrfs_item_ptr(l, i, struct btrfs_chunk));
934 case BTRFS_DEV_ITEM_KEY:
935 print_dev_item(l, btrfs_item_ptr(l, i,
936 struct btrfs_dev_item));
938 case BTRFS_DEV_EXTENT_KEY:
939 dev_extent = btrfs_item_ptr(l, i,
940 struct btrfs_dev_extent);
941 printf("\t\tdev extent chunk_tree %llu\n"
942 "\t\tchunk objectid %llu chunk offset %llu "
945 btrfs_dev_extent_chunk_tree(l, dev_extent),
947 btrfs_dev_extent_chunk_objectid(l, dev_extent),
949 btrfs_dev_extent_chunk_offset(l, dev_extent),
951 btrfs_dev_extent_length(l, dev_extent));
953 case BTRFS_QGROUP_STATUS_KEY:
954 qg_status = btrfs_item_ptr(l, i,
955 struct btrfs_qgroup_status_item);
956 printf("\t\tversion %llu generation %llu flags %#llx "
959 btrfs_qgroup_status_version(l, qg_status),
961 btrfs_qgroup_status_generation(l, qg_status),
963 btrfs_qgroup_status_flags(l, qg_status),
965 btrfs_qgroup_status_scan(l, qg_status));
967 case BTRFS_QGROUP_RELATION_KEY:
969 case BTRFS_QGROUP_INFO_KEY:
970 qg_info = btrfs_item_ptr(l, i,
971 struct btrfs_qgroup_info_item);
972 printf("\t\tgeneration %llu\n"
973 "\t\treferenced %llu referenced compressed %llu\n"
974 "\t\texclusive %llu exclusive compressed %llu\n",
976 btrfs_qgroup_info_generation(l, qg_info),
978 btrfs_qgroup_info_referenced(l, qg_info),
980 btrfs_qgroup_info_referenced_compressed(l,
983 btrfs_qgroup_info_exclusive(l, qg_info),
985 btrfs_qgroup_info_exclusive_compressed(l,
988 case BTRFS_QGROUP_LIMIT_KEY:
989 qg_limit = btrfs_item_ptr(l, i,
990 struct btrfs_qgroup_limit_item);
991 printf("\t\tflags %llx\n"
992 "\t\tmax referenced %lld max exclusive %lld\n"
993 "\t\trsv referenced %lld rsv exclusive %lld\n",
995 btrfs_qgroup_limit_flags(l, qg_limit),
997 btrfs_qgroup_limit_max_referenced(l, qg_limit),
999 btrfs_qgroup_limit_max_exclusive(l, qg_limit),
1001 btrfs_qgroup_limit_rsv_referenced(l, qg_limit),
1003 btrfs_qgroup_limit_rsv_exclusive(l, qg_limit));
1005 case BTRFS_UUID_KEY_SUBVOL:
1006 case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
1007 print_uuid_item(l, btrfs_item_ptr_offset(l, i),
1008 btrfs_item_size_nr(l, i));
1010 case BTRFS_STRING_ITEM_KEY:
1011 /* dirty, but it's simple */
1012 str = l->data + btrfs_item_ptr_offset(l, i);
1013 printf("\t\titem data %.*s\n", btrfs_item_size(l, item), str);
1015 case BTRFS_DEV_STATS_KEY:
1016 printf("\t\tdevice stats\n");
1023 void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb, int follow)
1028 struct btrfs_disk_key disk_key;
1029 struct btrfs_key key;
1033 nr = btrfs_header_nritems(eb);
1034 if (btrfs_is_leaf(eb)) {
1035 btrfs_print_leaf(root, eb);
1038 printf("node %llu level %d items %d free %u generation %llu owner %llu\n",
1039 (unsigned long long)eb->start,
1040 btrfs_header_level(eb), nr,
1041 (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr,
1042 (unsigned long long)btrfs_header_generation(eb),
1043 (unsigned long long)btrfs_header_owner(eb));
1046 size = btrfs_level_size(root, btrfs_header_level(eb) - 1);
1047 for (i = 0; i < nr; i++) {
1048 u64 blocknr = btrfs_node_blockptr(eb, i);
1049 btrfs_node_key(eb, &disk_key, i);
1050 btrfs_disk_key_to_cpu(&key, &disk_key);
1052 btrfs_print_key(&disk_key);
1053 printf(" block %llu (%llu) gen %llu\n",
1054 (unsigned long long)blocknr,
1055 (unsigned long long)blocknr / size,
1056 (unsigned long long)btrfs_node_ptr_generation(eb, i));
1062 for (i = 0; i < nr; i++) {
1063 struct extent_buffer *next = read_tree_block(root,
1064 btrfs_node_blockptr(eb, i),
1066 btrfs_node_ptr_generation(eb, i));
1067 if (!extent_buffer_uptodate(next)) {
1068 fprintf(stderr, "failed to read %llu in tree %llu\n",
1069 (unsigned long long)btrfs_node_blockptr(eb, i),
1070 (unsigned long long)btrfs_header_owner(eb));
1073 if (btrfs_is_leaf(next) &&
1074 btrfs_header_level(eb) != 1)
1076 if (btrfs_header_level(next) !=
1077 btrfs_header_level(eb) - 1)
1079 btrfs_print_tree(root, next, 1);
1080 free_extent_buffer(next);