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 /* Caller should ensure sizeof(*ret)>= 26 "OFF|SCANNING|INCONSISTENT" */
207 static void qgroup_flags_to_str(u64 flags
, char *ret
)
209 if (flags
& BTRFS_QGROUP_STATUS_FLAG_ON
)
214 if (flags
& BTRFS_QGROUP_STATUS_FLAG_RESCAN
)
215 strcat(ret
, "|SCANNING");
216 if (flags
& BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT
)
217 strcat(ret
, "|INCONSISTENT");
220 void print_chunk(struct extent_buffer
*eb
, struct btrfs_chunk
*chunk
)
222 int num_stripes
= btrfs_chunk_num_stripes(eb
, chunk
);
224 char chunk_flags_str
[32] = {0};
226 bg_flags_to_str(btrfs_chunk_type(eb
, chunk
), chunk_flags_str
);
227 printf("\t\tchunk length %llu owner %llu type %s num_stripes %d\n",
228 (unsigned long long)btrfs_chunk_length(eb
, chunk
),
229 (unsigned long long)btrfs_chunk_owner(eb
, chunk
),
230 chunk_flags_str
, num_stripes
);
231 for (i
= 0 ; i
< num_stripes
; i
++) {
232 printf("\t\t\tstripe %d devid %llu offset %llu\n", i
,
233 (unsigned long long)btrfs_stripe_devid_nr(eb
, chunk
, i
),
234 (unsigned long long)btrfs_stripe_offset_nr(eb
, chunk
, i
));
238 static void print_dev_item(struct extent_buffer
*eb
,
239 struct btrfs_dev_item
*dev_item
)
241 char disk_uuid_c
[BTRFS_UUID_UNPARSED_SIZE
];
242 u8 disk_uuid
[BTRFS_UUID_SIZE
];
244 read_extent_buffer(eb
, disk_uuid
,
245 (unsigned long)btrfs_device_uuid(dev_item
),
247 uuid_unparse(disk_uuid
, disk_uuid_c
);
248 printf("\t\tdev item devid %llu "
249 "total_bytes %llu bytes used %Lu\n"
251 (unsigned long long)btrfs_device_id(eb
, dev_item
),
252 (unsigned long long)btrfs_device_total_bytes(eb
, dev_item
),
253 (unsigned long long)btrfs_device_bytes_used(eb
, dev_item
),
257 static void print_uuids(struct extent_buffer
*eb
)
259 char fs_uuid
[BTRFS_UUID_UNPARSED_SIZE
];
260 char chunk_uuid
[BTRFS_UUID_UNPARSED_SIZE
];
261 u8 disk_uuid
[BTRFS_UUID_SIZE
];
263 read_extent_buffer(eb
, disk_uuid
, btrfs_header_fsid(),
266 fs_uuid
[BTRFS_UUID_UNPARSED_SIZE
- 1] = '\0';
267 uuid_unparse(disk_uuid
, fs_uuid
);
269 read_extent_buffer(eb
, disk_uuid
,
270 btrfs_header_chunk_tree_uuid(eb
),
273 chunk_uuid
[BTRFS_UUID_UNPARSED_SIZE
- 1] = '\0';
274 uuid_unparse(disk_uuid
, chunk_uuid
);
275 printf("fs uuid %s\nchunk uuid %s\n", fs_uuid
, chunk_uuid
);
278 static void print_file_extent_item(struct extent_buffer
*eb
,
279 struct btrfs_item
*item
,
281 struct btrfs_file_extent_item
*fi
)
283 int extent_type
= btrfs_file_extent_type(eb
, fi
);
285 if (extent_type
== BTRFS_FILE_EXTENT_INLINE
) {
286 printf("\t\tinline extent data size %u "
287 "ram %u compress %d\n",
288 btrfs_file_extent_inline_item_len(eb
, item
),
289 btrfs_file_extent_inline_len(eb
, slot
, fi
),
290 btrfs_file_extent_compression(eb
, fi
));
293 if (extent_type
== BTRFS_FILE_EXTENT_PREALLOC
) {
294 printf("\t\tprealloc data disk byte %llu nr %llu\n",
295 (unsigned long long)btrfs_file_extent_disk_bytenr(eb
, fi
),
296 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb
, fi
));
297 printf("\t\tprealloc data offset %llu nr %llu\n",
298 (unsigned long long)btrfs_file_extent_offset(eb
, fi
),
299 (unsigned long long)btrfs_file_extent_num_bytes(eb
, fi
));
302 printf("\t\textent data disk byte %llu nr %llu\n",
303 (unsigned long long)btrfs_file_extent_disk_bytenr(eb
, fi
),
304 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb
, fi
));
305 printf("\t\textent data offset %llu nr %llu ram %llu\n",
306 (unsigned long long)btrfs_file_extent_offset(eb
, fi
),
307 (unsigned long long)btrfs_file_extent_num_bytes(eb
, fi
),
308 (unsigned long long)btrfs_file_extent_ram_bytes(eb
, fi
));
309 printf("\t\textent compression %d\n",
310 btrfs_file_extent_compression(eb
, fi
));
313 /* Caller should ensure sizeof(*ret) >= 16("DATA|TREE_BLOCK") */
314 static void extent_flags_to_str(u64 flags
, char *ret
)
318 if (flags
& BTRFS_EXTENT_FLAG_DATA
) {
322 if (flags
& BTRFS_EXTENT_FLAG_TREE_BLOCK
) {
327 strcat(ret
, "TREE_BLOCK");
329 if (flags
& BTRFS_BLOCK_FLAG_FULL_BACKREF
) {
331 strcat(ret
, "FULL_BACKREF");
335 void print_extent_item(struct extent_buffer
*eb
, int slot
, int metadata
)
337 struct btrfs_extent_item
*ei
;
338 struct btrfs_extent_inline_ref
*iref
;
339 struct btrfs_extent_data_ref
*dref
;
340 struct btrfs_shared_data_ref
*sref
;
341 struct btrfs_disk_key key
;
345 u32 item_size
= btrfs_item_size_nr(eb
, slot
);
348 char flags_str
[32] = {0};
350 if (item_size
< sizeof(*ei
)) {
351 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
352 struct btrfs_extent_item_v0
*ei0
;
353 BUG_ON(item_size
!= sizeof(*ei0
));
354 ei0
= btrfs_item_ptr(eb
, slot
, struct btrfs_extent_item_v0
);
355 printf("\t\textent refs %u\n",
356 btrfs_extent_refs_v0(eb
, ei0
));
363 ei
= btrfs_item_ptr(eb
, slot
, struct btrfs_extent_item
);
364 flags
= btrfs_extent_flags(eb
, ei
);
365 extent_flags_to_str(flags
, flags_str
);
367 printf("\t\textent refs %llu gen %llu flags %s\n",
368 (unsigned long long)btrfs_extent_refs(eb
, ei
),
369 (unsigned long long)btrfs_extent_generation(eb
, ei
),
372 if (flags
& BTRFS_EXTENT_FLAG_TREE_BLOCK
&& !metadata
) {
373 struct btrfs_tree_block_info
*info
;
374 info
= (struct btrfs_tree_block_info
*)(ei
+ 1);
375 btrfs_tree_block_key(eb
, info
, &key
);
376 printf("\t\ttree block ");
377 btrfs_print_key(&key
);
378 printf(" level %d\n", btrfs_tree_block_level(eb
, info
));
379 iref
= (struct btrfs_extent_inline_ref
*)(info
+ 1);
380 } else if (metadata
) {
381 struct btrfs_key tmp
;
383 btrfs_item_key_to_cpu(eb
, &tmp
, slot
);
384 printf("\t\ttree block skinny level %d\n", (int)tmp
.offset
);
385 iref
= (struct btrfs_extent_inline_ref
*)(ei
+ 1);
387 iref
= (struct btrfs_extent_inline_ref
*)(ei
+ 1);
390 ptr
= (unsigned long)iref
;
391 end
= (unsigned long)ei
+ item_size
;
393 iref
= (struct btrfs_extent_inline_ref
*)ptr
;
394 type
= btrfs_extent_inline_ref_type(eb
, iref
);
395 offset
= btrfs_extent_inline_ref_offset(eb
, iref
);
397 case BTRFS_TREE_BLOCK_REF_KEY
:
398 printf("\t\ttree block backref root %llu\n",
399 (unsigned long long)offset
);
401 case BTRFS_SHARED_BLOCK_REF_KEY
:
402 printf("\t\tshared block backref parent %llu\n",
403 (unsigned long long)offset
);
405 case BTRFS_EXTENT_DATA_REF_KEY
:
406 dref
= (struct btrfs_extent_data_ref
*)(&iref
->offset
);
407 printf("\t\textent data backref root %llu "
408 "objectid %llu offset %llu count %u\n",
409 (unsigned long long)btrfs_extent_data_ref_root(eb
, dref
),
410 (unsigned long long)btrfs_extent_data_ref_objectid(eb
, dref
),
411 (unsigned long long)btrfs_extent_data_ref_offset(eb
, dref
),
412 btrfs_extent_data_ref_count(eb
, dref
));
414 case BTRFS_SHARED_DATA_REF_KEY
:
415 sref
= (struct btrfs_shared_data_ref
*)(iref
+ 1);
416 printf("\t\tshared data backref parent %llu count %u\n",
417 (unsigned long long)offset
,
418 btrfs_shared_data_ref_count(eb
, sref
));
423 ptr
+= btrfs_extent_inline_ref_size(type
);
428 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
429 static void print_extent_ref_v0(struct extent_buffer
*eb
, int slot
)
431 struct btrfs_extent_ref_v0
*ref0
;
433 ref0
= btrfs_item_ptr(eb
, slot
, struct btrfs_extent_ref_v0
);
434 printf("\t\textent back ref root %llu gen %llu "
435 "owner %llu num_refs %lu\n",
436 (unsigned long long)btrfs_ref_root_v0(eb
, ref0
),
437 (unsigned long long)btrfs_ref_generation_v0(eb
, ref0
),
438 (unsigned long long)btrfs_ref_objectid_v0(eb
, ref0
),
439 (unsigned long)btrfs_ref_count_v0(eb
, ref0
));
443 static void print_root_ref(struct extent_buffer
*leaf
, int slot
, char *tag
)
445 struct btrfs_root_ref
*ref
;
446 char namebuf
[BTRFS_NAME_LEN
];
449 ref
= btrfs_item_ptr(leaf
, slot
, struct btrfs_root_ref
);
450 namelen
= btrfs_root_ref_name_len(leaf
, ref
);
451 read_extent_buffer(leaf
, namebuf
, (unsigned long)(ref
+ 1), namelen
);
452 printf("\t\troot %s key dirid %llu sequence %llu name %.*s\n", tag
,
453 (unsigned long long)btrfs_root_ref_dirid(leaf
, ref
),
454 (unsigned long long)btrfs_root_ref_sequence(leaf
, ref
),
458 static int count_bytes(void *buf
, int len
, char b
)
462 for (i
= 0; i
< len
; i
++) {
463 if (((char*)buf
)[i
] == b
)
469 static void print_root(struct extent_buffer
*leaf
, int slot
)
471 struct btrfs_root_item
*ri
;
472 struct btrfs_root_item root_item
;
474 char uuid_str
[BTRFS_UUID_UNPARSED_SIZE
];
476 ri
= btrfs_item_ptr(leaf
, slot
, struct btrfs_root_item
);
477 len
= btrfs_item_size_nr(leaf
, slot
);
479 memset(&root_item
, 0, sizeof(root_item
));
480 read_extent_buffer(leaf
, &root_item
, (unsigned long)ri
, len
);
482 printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu\n",
483 (unsigned long long)btrfs_root_bytenr(&root_item
),
484 btrfs_root_level(&root_item
),
485 (unsigned long long)btrfs_root_dirid(&root_item
),
486 btrfs_root_refs(&root_item
),
487 (unsigned long long)btrfs_root_generation(&root_item
));
489 if (root_item
.generation
== root_item
.generation_v2
) {
490 uuid_unparse(root_item
.uuid
, uuid_str
);
491 printf("\t\tuuid %s\n", uuid_str
);
492 if (count_bytes(root_item
.parent_uuid
, BTRFS_UUID_SIZE
, 0) != BTRFS_UUID_SIZE
) {
493 uuid_unparse(root_item
.parent_uuid
, uuid_str
);
494 printf("\t\tparent_uuid %s\n", uuid_str
);
496 if (count_bytes(root_item
.received_uuid
, BTRFS_UUID_SIZE
, 0) != BTRFS_UUID_SIZE
) {
497 uuid_unparse(root_item
.received_uuid
, uuid_str
);
498 printf("\t\treceived_uuid %s\n", uuid_str
);
500 if (root_item
.ctransid
) {
501 printf("\t\tctransid %llu otransid %llu stransid %llu rtransid %llu\n",
502 btrfs_root_ctransid(&root_item
),
503 btrfs_root_otransid(&root_item
),
504 btrfs_root_stransid(&root_item
),
505 btrfs_root_rtransid(&root_item
));
508 if (btrfs_root_refs(&root_item
) == 0) {
509 struct btrfs_key drop_key
;
510 btrfs_disk_key_to_cpu(&drop_key
,
511 &root_item
.drop_progress
);
513 btrfs_print_key(&root_item
.drop_progress
);
514 printf(" level %d\n", root_item
.drop_level
);
518 static void print_free_space_header(struct extent_buffer
*leaf
, int slot
)
520 struct btrfs_free_space_header
*header
;
521 struct btrfs_disk_key location
;
523 header
= btrfs_item_ptr(leaf
, slot
, struct btrfs_free_space_header
);
524 btrfs_free_space_key(leaf
, header
, &location
);
525 printf("\t\tlocation ");
526 btrfs_print_key(&location
);
528 printf("\t\tcache generation %llu entries %llu bitmaps %llu\n",
529 (unsigned long long)btrfs_free_space_generation(leaf
, header
),
530 (unsigned long long)btrfs_free_space_entries(leaf
, header
),
531 (unsigned long long)btrfs_free_space_bitmaps(leaf
, header
));
534 static void print_key_type(u64 objectid
, u8 type
)
536 if (type
== 0 && objectid
== BTRFS_FREE_SPACE_OBJECTID
) {
542 case BTRFS_INODE_ITEM_KEY
:
543 printf("INODE_ITEM");
545 case BTRFS_INODE_REF_KEY
:
548 case BTRFS_INODE_EXTREF_KEY
:
549 printf("INODE_EXTREF");
551 case BTRFS_DIR_ITEM_KEY
:
554 case BTRFS_DIR_INDEX_KEY
:
557 case BTRFS_DIR_LOG_ITEM_KEY
:
558 printf("DIR_LOG_ITEM");
560 case BTRFS_DIR_LOG_INDEX_KEY
:
561 printf("DIR_LOG_INDEX");
563 case BTRFS_XATTR_ITEM_KEY
:
564 printf("XATTR_ITEM");
566 case BTRFS_ORPHAN_ITEM_KEY
:
567 printf("ORPHAN_ITEM");
569 case BTRFS_ROOT_ITEM_KEY
:
572 case BTRFS_ROOT_REF_KEY
:
575 case BTRFS_ROOT_BACKREF_KEY
:
576 printf("ROOT_BACKREF");
578 case BTRFS_EXTENT_ITEM_KEY
:
579 printf("EXTENT_ITEM");
581 case BTRFS_METADATA_ITEM_KEY
:
582 printf("METADATA_ITEM");
584 case BTRFS_TREE_BLOCK_REF_KEY
:
585 printf("TREE_BLOCK_REF");
587 case BTRFS_SHARED_BLOCK_REF_KEY
:
588 printf("SHARED_BLOCK_REF");
590 case BTRFS_EXTENT_DATA_REF_KEY
:
591 printf("EXTENT_DATA_REF");
593 case BTRFS_SHARED_DATA_REF_KEY
:
594 printf("SHARED_DATA_REF");
596 case BTRFS_EXTENT_REF_V0_KEY
:
597 printf("EXTENT_REF_V0");
599 case BTRFS_CSUM_ITEM_KEY
:
602 case BTRFS_EXTENT_CSUM_KEY
:
603 printf("EXTENT_CSUM");
605 case BTRFS_EXTENT_DATA_KEY
:
606 printf("EXTENT_DATA");
608 case BTRFS_BLOCK_GROUP_ITEM_KEY
:
609 printf("BLOCK_GROUP_ITEM");
611 case BTRFS_CHUNK_ITEM_KEY
:
612 printf("CHUNK_ITEM");
614 case BTRFS_DEV_ITEM_KEY
:
617 case BTRFS_DEV_EXTENT_KEY
:
618 printf("DEV_EXTENT");
620 case BTRFS_BALANCE_ITEM_KEY
:
621 printf("BALANCE_ITEM");
623 case BTRFS_DEV_REPLACE_KEY
:
624 printf("DEV_REPLACE");
626 case BTRFS_STRING_ITEM_KEY
:
627 printf("STRING_ITEM");
629 case BTRFS_QGROUP_STATUS_KEY
:
630 printf("QGROUP_STATUS");
632 case BTRFS_QGROUP_RELATION_KEY
:
633 printf("QGROUP_RELATION");
635 case BTRFS_QGROUP_INFO_KEY
:
636 printf("QGROUP_INFO");
638 case BTRFS_QGROUP_LIMIT_KEY
:
639 printf("QGROUP_LIMIT");
641 case BTRFS_DEV_STATS_KEY
:
644 case BTRFS_UUID_KEY_SUBVOL
:
645 printf("UUID_KEY_SUBVOL");
647 case BTRFS_UUID_KEY_RECEIVED_SUBVOL
:
648 printf("UUID_KEY_RECEIVED_SUBVOL");
651 printf("UNKNOWN.%d", type
);
655 static void print_objectid(u64 objectid
, u8 type
)
658 case BTRFS_DEV_EXTENT_KEY
:
659 printf("%llu", (unsigned long long)objectid
); /* device id */
661 case BTRFS_QGROUP_RELATION_KEY
:
662 printf("%llu/%llu", btrfs_qgroup_level(objectid
),
663 btrfs_qgroup_subvid(objectid
));
665 case BTRFS_UUID_KEY_SUBVOL
:
666 case BTRFS_UUID_KEY_RECEIVED_SUBVOL
:
667 printf("0x%016llx", (unsigned long long)objectid
);
672 case BTRFS_ROOT_TREE_OBJECTID
:
673 if (type
== BTRFS_DEV_ITEM_KEY
)
678 case BTRFS_EXTENT_TREE_OBJECTID
:
679 printf("EXTENT_TREE");
681 case BTRFS_CHUNK_TREE_OBJECTID
:
682 printf("CHUNK_TREE");
684 case BTRFS_DEV_TREE_OBJECTID
:
687 case BTRFS_FS_TREE_OBJECTID
:
690 case BTRFS_ROOT_TREE_DIR_OBJECTID
:
691 printf("ROOT_TREE_DIR");
693 case BTRFS_CSUM_TREE_OBJECTID
:
696 case BTRFS_BALANCE_OBJECTID
:
699 case BTRFS_ORPHAN_OBJECTID
:
702 case BTRFS_TREE_LOG_OBJECTID
:
705 case BTRFS_TREE_LOG_FIXUP_OBJECTID
:
708 case BTRFS_TREE_RELOC_OBJECTID
:
709 printf("TREE_RELOC");
711 case BTRFS_DATA_RELOC_TREE_OBJECTID
:
712 printf("DATA_RELOC_TREE");
714 case BTRFS_EXTENT_CSUM_OBJECTID
:
715 printf("EXTENT_CSUM");
717 case BTRFS_FREE_SPACE_OBJECTID
:
718 printf("FREE_SPACE");
720 case BTRFS_FREE_INO_OBJECTID
:
723 case BTRFS_QUOTA_TREE_OBJECTID
:
724 printf("QUOTA_TREE");
726 case BTRFS_UUID_TREE_OBJECTID
:
729 case BTRFS_MULTIPLE_OBJECTIDS
:
735 case BTRFS_FIRST_CHUNK_TREE_OBJECTID
:
736 if (type
== BTRFS_CHUNK_ITEM_KEY
) {
737 printf("FIRST_CHUNK_TREE");
742 printf("%llu", (unsigned long long)objectid
);
746 void btrfs_print_key(struct btrfs_disk_key
*disk_key
)
748 u64 objectid
= btrfs_disk_key_objectid(disk_key
);
749 u8 type
= btrfs_disk_key_type(disk_key
);
750 u64 offset
= btrfs_disk_key_offset(disk_key
);
753 print_objectid(objectid
, type
);
755 print_key_type(objectid
, type
);
757 case BTRFS_QGROUP_RELATION_KEY
:
758 case BTRFS_QGROUP_INFO_KEY
:
759 case BTRFS_QGROUP_LIMIT_KEY
:
760 printf(" %llu/%llu)", btrfs_qgroup_level(offset
),
761 btrfs_qgroup_subvid(offset
));
763 case BTRFS_UUID_KEY_SUBVOL
:
764 case BTRFS_UUID_KEY_RECEIVED_SUBVOL
:
765 printf(" 0x%016llx)", (unsigned long long)offset
);
768 if (offset
== (u64
)-1)
771 printf(" %llu)", (unsigned long long)offset
);
776 static void print_uuid_item(struct extent_buffer
*l
, unsigned long offset
,
779 if (item_size
& (sizeof(u64
) - 1)) {
780 printf("btrfs: uuid item with illegal size %lu!\n",
781 (unsigned long)item_size
);
787 read_extent_buffer(l
, &subvol_id
, offset
, sizeof(u64
));
788 printf("\t\tsubvol_id %llu\n",
789 (unsigned long long)le64_to_cpu(subvol_id
));
790 item_size
-= sizeof(u64
);
791 offset
+= sizeof(u64
);
795 void btrfs_print_leaf(struct btrfs_root
*root
, struct extent_buffer
*l
)
799 struct btrfs_item
*item
;
800 struct btrfs_dir_item
*di
;
801 struct btrfs_inode_item
*ii
;
802 struct btrfs_file_extent_item
*fi
;
803 struct btrfs_block_group_item
*bi
;
804 struct btrfs_extent_data_ref
*dref
;
805 struct btrfs_shared_data_ref
*sref
;
806 struct btrfs_inode_ref
*iref
;
807 struct btrfs_inode_extref
*iref2
;
808 struct btrfs_dev_extent
*dev_extent
;
809 struct btrfs_disk_key disk_key
;
810 struct btrfs_block_group_item bg_item
;
811 struct btrfs_dir_log_item
*dlog
;
812 struct btrfs_qgroup_info_item
*qg_info
;
813 struct btrfs_qgroup_limit_item
*qg_limit
;
814 struct btrfs_qgroup_status_item
*qg_status
;
815 u32 nr
= btrfs_header_nritems(l
);
820 printf("leaf %llu items %d free space %d generation %llu owner %llu\n",
821 (unsigned long long)btrfs_header_bytenr(l
), nr
,
822 btrfs_leaf_free_space(root
, l
),
823 (unsigned long long)btrfs_header_generation(l
),
824 (unsigned long long)btrfs_header_owner(l
));
827 for (i
= 0 ; i
< nr
; i
++) {
828 item
= btrfs_item_nr(i
);
829 btrfs_item_key(l
, &disk_key
, i
);
830 objectid
= btrfs_disk_key_objectid(&disk_key
);
831 type
= btrfs_disk_key_type(&disk_key
);
832 printf("\titem %d ", i
);
833 btrfs_print_key(&disk_key
);
834 printf(" itemoff %d itemsize %d\n",
835 btrfs_item_offset(l
, item
),
836 btrfs_item_size(l
, item
));
838 if (type
== 0 && objectid
== BTRFS_FREE_SPACE_OBJECTID
)
839 print_free_space_header(l
, i
);
842 case BTRFS_INODE_ITEM_KEY
:
843 ii
= btrfs_item_ptr(l
, i
, struct btrfs_inode_item
);
844 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",
845 (unsigned long long)btrfs_inode_generation(l
, ii
),
846 (unsigned long long)btrfs_inode_transid(l
, ii
),
847 (unsigned long long)btrfs_inode_size(l
, ii
),
848 (unsigned long long)btrfs_inode_block_group(l
,ii
),
849 btrfs_inode_mode(l
, ii
),
850 btrfs_inode_nlink(l
, ii
),
851 btrfs_inode_uid(l
, ii
),
852 btrfs_inode_gid(l
, ii
),
853 (unsigned long long)btrfs_inode_rdev(l
,ii
),
854 (unsigned long long)btrfs_inode_flags(l
,ii
));
856 case BTRFS_INODE_REF_KEY
:
857 iref
= btrfs_item_ptr(l
, i
, struct btrfs_inode_ref
);
858 print_inode_ref_item(l
, item
, iref
);
860 case BTRFS_INODE_EXTREF_KEY
:
861 iref2
= btrfs_item_ptr(l
, i
, struct btrfs_inode_extref
);
862 print_inode_extref_item(l
, item
, iref2
);
864 case BTRFS_DIR_ITEM_KEY
:
865 case BTRFS_DIR_INDEX_KEY
:
866 case BTRFS_XATTR_ITEM_KEY
:
867 di
= btrfs_item_ptr(l
, i
, struct btrfs_dir_item
);
868 print_dir_item(l
, item
, di
);
870 case BTRFS_DIR_LOG_INDEX_KEY
:
871 case BTRFS_DIR_LOG_ITEM_KEY
:
872 dlog
= btrfs_item_ptr(l
, i
, struct btrfs_dir_log_item
);
873 printf("\t\tdir log end %Lu\n",
874 (unsigned long long)btrfs_dir_log_end(l
, dlog
));
876 case BTRFS_ORPHAN_ITEM_KEY
:
877 printf("\t\torphan item\n");
879 case BTRFS_ROOT_ITEM_KEY
:
882 case BTRFS_ROOT_REF_KEY
:
883 print_root_ref(l
, i
, "ref");
885 case BTRFS_ROOT_BACKREF_KEY
:
886 print_root_ref(l
, i
, "backref");
888 case BTRFS_EXTENT_ITEM_KEY
:
889 print_extent_item(l
, i
, 0);
891 case BTRFS_METADATA_ITEM_KEY
:
892 print_extent_item(l
, i
, 1);
894 case BTRFS_TREE_BLOCK_REF_KEY
:
895 printf("\t\ttree block backref\n");
897 case BTRFS_SHARED_BLOCK_REF_KEY
:
898 printf("\t\tshared block backref\n");
900 case BTRFS_EXTENT_DATA_REF_KEY
:
901 dref
= btrfs_item_ptr(l
, i
, struct btrfs_extent_data_ref
);
902 printf("\t\textent data backref root %llu "
903 "objectid %llu offset %llu count %u\n",
904 (unsigned long long)btrfs_extent_data_ref_root(l
, dref
),
905 (unsigned long long)btrfs_extent_data_ref_objectid(l
, dref
),
906 (unsigned long long)btrfs_extent_data_ref_offset(l
, dref
),
907 btrfs_extent_data_ref_count(l
, dref
));
909 case BTRFS_SHARED_DATA_REF_KEY
:
910 sref
= btrfs_item_ptr(l
, i
, struct btrfs_shared_data_ref
);
911 printf("\t\tshared data backref count %u\n",
912 btrfs_shared_data_ref_count(l
, sref
));
914 case BTRFS_EXTENT_REF_V0_KEY
:
915 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
916 print_extent_ref_v0(l
, i
);
921 case BTRFS_CSUM_ITEM_KEY
:
922 printf("\t\tcsum item\n");
924 case BTRFS_EXTENT_CSUM_KEY
:
925 printf("\t\textent csum item\n");
927 case BTRFS_EXTENT_DATA_KEY
:
928 fi
= btrfs_item_ptr(l
, i
,
929 struct btrfs_file_extent_item
);
930 print_file_extent_item(l
, item
, i
, fi
);
932 case BTRFS_BLOCK_GROUP_ITEM_KEY
:
933 bi
= btrfs_item_ptr(l
, i
,
934 struct btrfs_block_group_item
);
935 read_extent_buffer(l
, &bg_item
, (unsigned long)bi
,
937 memset(flags_str
, 0, sizeof(flags_str
));
938 bg_flags_to_str(btrfs_block_group_flags(&bg_item
),
940 printf("\t\tblock group used %llu chunk_objectid %llu flags %s\n",
941 (unsigned long long)btrfs_block_group_used(&bg_item
),
942 (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item
),
945 case BTRFS_CHUNK_ITEM_KEY
:
946 print_chunk(l
, btrfs_item_ptr(l
, i
, struct btrfs_chunk
));
948 case BTRFS_DEV_ITEM_KEY
:
949 print_dev_item(l
, btrfs_item_ptr(l
, i
,
950 struct btrfs_dev_item
));
952 case BTRFS_DEV_EXTENT_KEY
:
953 dev_extent
= btrfs_item_ptr(l
, i
,
954 struct btrfs_dev_extent
);
955 printf("\t\tdev extent chunk_tree %llu\n"
956 "\t\tchunk objectid %llu chunk offset %llu "
959 btrfs_dev_extent_chunk_tree(l
, dev_extent
),
961 btrfs_dev_extent_chunk_objectid(l
, dev_extent
),
963 btrfs_dev_extent_chunk_offset(l
, dev_extent
),
965 btrfs_dev_extent_length(l
, dev_extent
));
967 case BTRFS_QGROUP_STATUS_KEY
:
968 qg_status
= btrfs_item_ptr(l
, i
,
969 struct btrfs_qgroup_status_item
);
970 memset(flags_str
, 0, sizeof(flags_str
));
971 qgroup_flags_to_str(btrfs_qgroup_status_flags(l
, qg_status
),
973 printf("\t\tversion %llu generation %llu flags %s "
976 btrfs_qgroup_status_version(l
, qg_status
),
978 btrfs_qgroup_status_generation(l
, qg_status
),
981 btrfs_qgroup_status_scan(l
, qg_status
));
983 case BTRFS_QGROUP_RELATION_KEY
:
985 case BTRFS_QGROUP_INFO_KEY
:
986 qg_info
= btrfs_item_ptr(l
, i
,
987 struct btrfs_qgroup_info_item
);
988 printf("\t\tgeneration %llu\n"
989 "\t\treferenced %llu referenced compressed %llu\n"
990 "\t\texclusive %llu exclusive compressed %llu\n",
992 btrfs_qgroup_info_generation(l
, qg_info
),
994 btrfs_qgroup_info_referenced(l
, qg_info
),
996 btrfs_qgroup_info_referenced_compressed(l
,
999 btrfs_qgroup_info_exclusive(l
, qg_info
),
1000 (unsigned long long)
1001 btrfs_qgroup_info_exclusive_compressed(l
,
1004 case BTRFS_QGROUP_LIMIT_KEY
:
1005 qg_limit
= btrfs_item_ptr(l
, i
,
1006 struct btrfs_qgroup_limit_item
);
1007 printf("\t\tflags %llx\n"
1008 "\t\tmax referenced %lld max exclusive %lld\n"
1009 "\t\trsv referenced %lld rsv exclusive %lld\n",
1010 (unsigned long long)
1011 btrfs_qgroup_limit_flags(l
, qg_limit
),
1013 btrfs_qgroup_limit_max_referenced(l
, qg_limit
),
1015 btrfs_qgroup_limit_max_exclusive(l
, qg_limit
),
1017 btrfs_qgroup_limit_rsv_referenced(l
, qg_limit
),
1019 btrfs_qgroup_limit_rsv_exclusive(l
, qg_limit
));
1021 case BTRFS_UUID_KEY_SUBVOL
:
1022 case BTRFS_UUID_KEY_RECEIVED_SUBVOL
:
1023 print_uuid_item(l
, btrfs_item_ptr_offset(l
, i
),
1024 btrfs_item_size_nr(l
, i
));
1026 case BTRFS_STRING_ITEM_KEY
:
1027 /* dirty, but it's simple */
1028 str
= l
->data
+ btrfs_item_ptr_offset(l
, i
);
1029 printf("\t\titem data %.*s\n", btrfs_item_size(l
, item
), str
);
1031 case BTRFS_DEV_STATS_KEY
:
1032 printf("\t\tdevice stats\n");
1039 void btrfs_print_tree(struct btrfs_root
*root
, struct extent_buffer
*eb
, int follow
)
1044 struct btrfs_disk_key disk_key
;
1045 struct btrfs_key key
;
1049 nr
= btrfs_header_nritems(eb
);
1050 if (btrfs_is_leaf(eb
)) {
1051 btrfs_print_leaf(root
, eb
);
1054 printf("node %llu level %d items %d free %u generation %llu owner %llu\n",
1055 (unsigned long long)eb
->start
,
1056 btrfs_header_level(eb
), nr
,
1057 (u32
)BTRFS_NODEPTRS_PER_BLOCK(root
) - nr
,
1058 (unsigned long long)btrfs_header_generation(eb
),
1059 (unsigned long long)btrfs_header_owner(eb
));
1062 size
= btrfs_level_size(root
, btrfs_header_level(eb
) - 1);
1063 for (i
= 0; i
< nr
; i
++) {
1064 u64 blocknr
= btrfs_node_blockptr(eb
, i
);
1065 btrfs_node_key(eb
, &disk_key
, i
);
1066 btrfs_disk_key_to_cpu(&key
, &disk_key
);
1068 btrfs_print_key(&disk_key
);
1069 printf(" block %llu (%llu) gen %llu\n",
1070 (unsigned long long)blocknr
,
1071 (unsigned long long)blocknr
/ size
,
1072 (unsigned long long)btrfs_node_ptr_generation(eb
, i
));
1078 for (i
= 0; i
< nr
; i
++) {
1079 struct extent_buffer
*next
= read_tree_block(root
,
1080 btrfs_node_blockptr(eb
, i
),
1082 btrfs_node_ptr_generation(eb
, i
));
1083 if (!extent_buffer_uptodate(next
)) {
1084 fprintf(stderr
, "failed to read %llu in tree %llu\n",
1085 (unsigned long long)btrfs_node_blockptr(eb
, i
),
1086 (unsigned long long)btrfs_header_owner(eb
));
1089 if (btrfs_is_leaf(next
) &&
1090 btrfs_header_level(eb
) != 1)
1092 if (btrfs_header_level(next
) !=
1093 btrfs_header_level(eb
) - 1)
1095 btrfs_print_tree(root
, next
, 1);
1096 free_extent_buffer(next
);