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\tinode extref index %llu parent %llu namelen %u "
109 (unsigned long long)index
,
110 (unsigned long long)parent_objid
,
111 name_len
, len
, namebuf
);
113 len
= sizeof(*extref
) + name_len
;
114 extref
= (struct btrfs_inode_extref
*)((char *)extref
+ len
);
119 static void print_inode_ref_item(struct extent_buffer
*eb
, u32 size
,
120 struct btrfs_inode_ref
*ref
)
126 char namebuf
[BTRFS_NAME_LEN
];
129 name_len
= btrfs_inode_ref_name_len(eb
, ref
);
130 index
= btrfs_inode_ref_index(eb
, ref
);
131 len
= (name_len
<= sizeof(namebuf
))? name_len
: sizeof(namebuf
);
132 read_extent_buffer(eb
, namebuf
, (unsigned long)(ref
+ 1), len
);
133 printf("\t\tinode ref index %llu namelen %u name: %.*s\n",
134 (unsigned long long)index
, name_len
, len
, namebuf
);
135 len
= sizeof(*ref
) + name_len
;
136 ref
= (struct btrfs_inode_ref
*)((char *)ref
+ len
);
141 /* Caller should ensure sizeof(*ret)>=21 "DATA|METADATA|RAID10" */
142 static void bg_flags_to_str(u64 flags
, char *ret
)
146 if (flags
& BTRFS_BLOCK_GROUP_DATA
) {
150 if (flags
& BTRFS_BLOCK_GROUP_METADATA
) {
153 strcat(ret
, "METADATA");
155 if (flags
& BTRFS_BLOCK_GROUP_SYSTEM
) {
158 strcat(ret
, "SYSTEM");
160 switch (flags
& BTRFS_BLOCK_GROUP_PROFILE_MASK
) {
161 case BTRFS_BLOCK_GROUP_RAID0
:
162 strcat(ret
, "|RAID0");
164 case BTRFS_BLOCK_GROUP_RAID1
:
165 strcat(ret
, "|RAID1");
167 case BTRFS_BLOCK_GROUP_DUP
:
170 case BTRFS_BLOCK_GROUP_RAID10
:
171 strcat(ret
, "|RAID10");
173 case BTRFS_BLOCK_GROUP_RAID5
:
174 strcat(ret
, "|RAID5");
176 case BTRFS_BLOCK_GROUP_RAID6
:
177 strcat(ret
, "|RAID6");
184 /* Caller should ensure sizeof(*ret)>= 26 "OFF|SCANNING|INCONSISTENT" */
185 static void qgroup_flags_to_str(u64 flags
, char *ret
)
187 if (flags
& BTRFS_QGROUP_STATUS_FLAG_ON
)
192 if (flags
& BTRFS_QGROUP_STATUS_FLAG_RESCAN
)
193 strcat(ret
, "|SCANNING");
194 if (flags
& BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT
)
195 strcat(ret
, "|INCONSISTENT");
198 void print_chunk(struct extent_buffer
*eb
, struct btrfs_chunk
*chunk
)
200 int num_stripes
= btrfs_chunk_num_stripes(eb
, chunk
);
202 char chunk_flags_str
[32] = {0};
204 bg_flags_to_str(btrfs_chunk_type(eb
, chunk
), chunk_flags_str
);
205 printf("\t\tlength %llu owner %llu stripe_len %llu type %s\n",
206 (unsigned long long)btrfs_chunk_length(eb
, chunk
),
207 (unsigned long long)btrfs_chunk_owner(eb
, chunk
),
208 (unsigned long long)btrfs_chunk_stripe_len(eb
, chunk
),
210 printf("\t\tio_align %u io_width %u sector_size %u\n",
211 btrfs_chunk_io_align(eb
, chunk
),
212 btrfs_chunk_io_width(eb
, chunk
),
213 btrfs_chunk_sector_size(eb
, chunk
));
214 printf("\t\tnum_stripes %hu sub_stripes %hu\n", num_stripes
,
215 btrfs_chunk_sub_stripes(eb
, chunk
));
216 for (i
= 0 ; i
< num_stripes
; i
++) {
217 unsigned char dev_uuid
[BTRFS_UUID_SIZE
];
218 char str_dev_uuid
[BTRFS_UUID_UNPARSED_SIZE
];
220 read_extent_buffer(eb
, dev_uuid
,
221 (unsigned long)btrfs_stripe_dev_uuid_nr(chunk
, i
),
223 uuid_unparse(dev_uuid
, str_dev_uuid
);
224 printf("\t\t\tstripe %d devid %llu offset %llu\n", i
,
225 (unsigned long long)btrfs_stripe_devid_nr(eb
, chunk
, i
),
226 (unsigned long long)btrfs_stripe_offset_nr(eb
, chunk
, i
));
227 printf("\t\t\tdev_uuid %s\n", str_dev_uuid
);
231 static void print_dev_item(struct extent_buffer
*eb
,
232 struct btrfs_dev_item
*dev_item
)
234 char uuid_str
[BTRFS_UUID_UNPARSED_SIZE
];
235 char fsid_str
[BTRFS_UUID_UNPARSED_SIZE
];
236 u8 uuid
[BTRFS_UUID_SIZE
];
237 u8 fsid
[BTRFS_UUID_SIZE
];
239 read_extent_buffer(eb
, uuid
,
240 (unsigned long)btrfs_device_uuid(dev_item
),
242 uuid_unparse(uuid
, uuid_str
);
243 read_extent_buffer(eb
, fsid
,
244 (unsigned long)btrfs_device_fsid(dev_item
),
246 uuid_unparse(fsid
, fsid_str
);
247 printf("\t\tdevid %llu total_bytes %llu bytes_used %Lu\n"
248 "\t\tio_align %u io_width %u sector_size %u type %llu\n"
249 "\t\tgeneration %llu start_offset %llu dev_group %u\n"
250 "\t\tseek_speed %hhu bandwidth %hhu\n"
253 (unsigned long long)btrfs_device_id(eb
, dev_item
),
254 (unsigned long long)btrfs_device_total_bytes(eb
, dev_item
),
255 (unsigned long long)btrfs_device_bytes_used(eb
, dev_item
),
256 btrfs_device_io_align(eb
, dev_item
),
257 btrfs_device_io_width(eb
, dev_item
),
258 btrfs_device_sector_size(eb
, dev_item
),
259 (unsigned long long)btrfs_device_type(eb
, dev_item
),
260 (unsigned long long)btrfs_device_generation(eb
, dev_item
),
261 (unsigned long long)btrfs_device_start_offset(eb
, dev_item
),
262 btrfs_device_group(eb
, dev_item
),
263 btrfs_device_seek_speed(eb
, dev_item
),
264 btrfs_device_bandwidth(eb
, dev_item
),
268 static void print_uuids(struct extent_buffer
*eb
)
270 char fs_uuid
[BTRFS_UUID_UNPARSED_SIZE
];
271 char chunk_uuid
[BTRFS_UUID_UNPARSED_SIZE
];
272 u8 disk_uuid
[BTRFS_UUID_SIZE
];
274 read_extent_buffer(eb
, disk_uuid
, btrfs_header_fsid(),
277 fs_uuid
[BTRFS_UUID_UNPARSED_SIZE
- 1] = '\0';
278 uuid_unparse(disk_uuid
, fs_uuid
);
280 read_extent_buffer(eb
, disk_uuid
,
281 btrfs_header_chunk_tree_uuid(eb
),
284 chunk_uuid
[BTRFS_UUID_UNPARSED_SIZE
- 1] = '\0';
285 uuid_unparse(disk_uuid
, chunk_uuid
);
286 printf("fs uuid %s\nchunk uuid %s\n", fs_uuid
, chunk_uuid
);
289 static void compress_type_to_str(u8 compress_type
, char *ret
)
291 switch (compress_type
) {
292 case BTRFS_COMPRESS_NONE
:
295 case BTRFS_COMPRESS_ZLIB
:
298 case BTRFS_COMPRESS_LZO
:
302 sprintf(ret
, "UNKNOWN.%d", compress_type
);
306 static const char* file_extent_type_to_str(u8 type
)
309 case BTRFS_FILE_EXTENT_INLINE
: return "inline";
310 case BTRFS_FILE_EXTENT_PREALLOC
: return "prealloc";
311 case BTRFS_FILE_EXTENT_REG
: return "regular";
312 default: return "unknown";
316 static void print_file_extent_item(struct extent_buffer
*eb
,
317 struct btrfs_item
*item
,
319 struct btrfs_file_extent_item
*fi
)
321 int extent_type
= btrfs_file_extent_type(eb
, fi
);
322 char compress_str
[16];
324 compress_type_to_str(btrfs_file_extent_compression(eb
, fi
),
327 printf("\t\tgeneration %llu type %hhu (%s)\n",
328 btrfs_file_extent_generation(eb
, fi
),
329 extent_type
, file_extent_type_to_str(extent_type
));
331 if (extent_type
== BTRFS_FILE_EXTENT_INLINE
) {
332 printf("\t\tinline extent data size %u ram_bytes %u compression %hhu (%s)\n",
333 btrfs_file_extent_inline_item_len(eb
, item
),
334 btrfs_file_extent_inline_len(eb
, slot
, fi
),
335 btrfs_file_extent_compression(eb
, fi
),
339 if (extent_type
== BTRFS_FILE_EXTENT_PREALLOC
) {
340 printf("\t\tprealloc data disk byte %llu nr %llu\n",
341 (unsigned long long)btrfs_file_extent_disk_bytenr(eb
, fi
),
342 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb
, fi
));
343 printf("\t\tprealloc data offset %llu nr %llu\n",
344 (unsigned long long)btrfs_file_extent_offset(eb
, fi
),
345 (unsigned long long)btrfs_file_extent_num_bytes(eb
, fi
));
348 printf("\t\textent data disk byte %llu nr %llu\n",
349 (unsigned long long)btrfs_file_extent_disk_bytenr(eb
, fi
),
350 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb
, fi
));
351 printf("\t\textent data offset %llu nr %llu ram %llu\n",
352 (unsigned long long)btrfs_file_extent_offset(eb
, fi
),
353 (unsigned long long)btrfs_file_extent_num_bytes(eb
, fi
),
354 (unsigned long long)btrfs_file_extent_ram_bytes(eb
, fi
));
355 printf("\t\textent compression %hhu (%s)\n",
356 btrfs_file_extent_compression(eb
, fi
),
360 /* Caller should ensure sizeof(*ret) >= 16("DATA|TREE_BLOCK") */
361 static void extent_flags_to_str(u64 flags
, char *ret
)
365 if (flags
& BTRFS_EXTENT_FLAG_DATA
) {
369 if (flags
& BTRFS_EXTENT_FLAG_TREE_BLOCK
) {
374 strcat(ret
, "TREE_BLOCK");
376 if (flags
& BTRFS_BLOCK_FLAG_FULL_BACKREF
) {
378 strcat(ret
, "FULL_BACKREF");
382 void print_extent_item(struct extent_buffer
*eb
, int slot
, int metadata
)
384 struct btrfs_extent_item
*ei
;
385 struct btrfs_extent_inline_ref
*iref
;
386 struct btrfs_extent_data_ref
*dref
;
387 struct btrfs_shared_data_ref
*sref
;
388 struct btrfs_disk_key key
;
392 u32 item_size
= btrfs_item_size_nr(eb
, slot
);
395 char flags_str
[32] = {0};
397 if (item_size
< sizeof(*ei
)) {
398 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
399 struct btrfs_extent_item_v0
*ei0
;
400 BUG_ON(item_size
!= sizeof(*ei0
));
401 ei0
= btrfs_item_ptr(eb
, slot
, struct btrfs_extent_item_v0
);
402 printf("\t\textent refs %u\n",
403 btrfs_extent_refs_v0(eb
, ei0
));
410 ei
= btrfs_item_ptr(eb
, slot
, struct btrfs_extent_item
);
411 flags
= btrfs_extent_flags(eb
, ei
);
412 extent_flags_to_str(flags
, flags_str
);
414 printf("\t\textent refs %llu gen %llu flags %s\n",
415 (unsigned long long)btrfs_extent_refs(eb
, ei
),
416 (unsigned long long)btrfs_extent_generation(eb
, ei
),
419 if (flags
& BTRFS_EXTENT_FLAG_TREE_BLOCK
&& !metadata
) {
420 struct btrfs_tree_block_info
*info
;
421 info
= (struct btrfs_tree_block_info
*)(ei
+ 1);
422 btrfs_tree_block_key(eb
, info
, &key
);
423 printf("\t\ttree block ");
424 btrfs_print_key(&key
);
425 printf(" level %d\n", btrfs_tree_block_level(eb
, info
));
426 iref
= (struct btrfs_extent_inline_ref
*)(info
+ 1);
427 } else if (metadata
) {
428 struct btrfs_key tmp
;
430 btrfs_item_key_to_cpu(eb
, &tmp
, slot
);
431 printf("\t\ttree block skinny level %d\n", (int)tmp
.offset
);
432 iref
= (struct btrfs_extent_inline_ref
*)(ei
+ 1);
434 iref
= (struct btrfs_extent_inline_ref
*)(ei
+ 1);
437 ptr
= (unsigned long)iref
;
438 end
= (unsigned long)ei
+ item_size
;
440 iref
= (struct btrfs_extent_inline_ref
*)ptr
;
441 type
= btrfs_extent_inline_ref_type(eb
, iref
);
442 offset
= btrfs_extent_inline_ref_offset(eb
, iref
);
444 case BTRFS_TREE_BLOCK_REF_KEY
:
445 printf("\t\ttree block backref root %llu\n",
446 (unsigned long long)offset
);
448 case BTRFS_SHARED_BLOCK_REF_KEY
:
449 printf("\t\tshared block backref parent %llu\n",
450 (unsigned long long)offset
);
452 case BTRFS_EXTENT_DATA_REF_KEY
:
453 dref
= (struct btrfs_extent_data_ref
*)(&iref
->offset
);
454 printf("\t\textent data backref root %llu "
455 "objectid %llu offset %llu count %u\n",
456 (unsigned long long)btrfs_extent_data_ref_root(eb
, dref
),
457 (unsigned long long)btrfs_extent_data_ref_objectid(eb
, dref
),
458 (unsigned long long)btrfs_extent_data_ref_offset(eb
, dref
),
459 btrfs_extent_data_ref_count(eb
, dref
));
461 case BTRFS_SHARED_DATA_REF_KEY
:
462 sref
= (struct btrfs_shared_data_ref
*)(iref
+ 1);
463 printf("\t\tshared data backref parent %llu count %u\n",
464 (unsigned long long)offset
,
465 btrfs_shared_data_ref_count(eb
, sref
));
470 ptr
+= btrfs_extent_inline_ref_size(type
);
475 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
476 static void print_extent_ref_v0(struct extent_buffer
*eb
, int slot
)
478 struct btrfs_extent_ref_v0
*ref0
;
480 ref0
= btrfs_item_ptr(eb
, slot
, struct btrfs_extent_ref_v0
);
481 printf("\t\textent back ref root %llu gen %llu "
482 "owner %llu num_refs %lu\n",
483 (unsigned long long)btrfs_ref_root_v0(eb
, ref0
),
484 (unsigned long long)btrfs_ref_generation_v0(eb
, ref0
),
485 (unsigned long long)btrfs_ref_objectid_v0(eb
, ref0
),
486 (unsigned long)btrfs_ref_count_v0(eb
, ref0
));
490 static void print_root_ref(struct extent_buffer
*leaf
, int slot
, const char *tag
)
492 struct btrfs_root_ref
*ref
;
493 char namebuf
[BTRFS_NAME_LEN
];
496 ref
= btrfs_item_ptr(leaf
, slot
, struct btrfs_root_ref
);
497 namelen
= btrfs_root_ref_name_len(leaf
, ref
);
498 read_extent_buffer(leaf
, namebuf
, (unsigned long)(ref
+ 1), namelen
);
499 printf("\t\troot %s key dirid %llu sequence %llu name %.*s\n", tag
,
500 (unsigned long long)btrfs_root_ref_dirid(leaf
, ref
),
501 (unsigned long long)btrfs_root_ref_sequence(leaf
, ref
),
505 static int empty_uuid(const u8
*uuid
)
509 for (i
= 0; i
< BTRFS_UUID_SIZE
; i
++)
516 * Caller must ensure sizeof(*ret) >= 7 "RDONLY"
518 static void root_flags_to_str(u64 flags
, char *ret
)
520 if (flags
& BTRFS_ROOT_SUBVOL_RDONLY
)
521 strcat(ret
, "RDONLY");
526 static void print_root(struct extent_buffer
*leaf
, int slot
)
528 struct btrfs_root_item
*ri
;
529 struct btrfs_root_item root_item
;
531 char uuid_str
[BTRFS_UUID_UNPARSED_SIZE
];
532 char flags_str
[32] = {0};
533 struct btrfs_key drop_key
;
535 ri
= btrfs_item_ptr(leaf
, slot
, struct btrfs_root_item
);
536 len
= btrfs_item_size_nr(leaf
, slot
);
538 memset(&root_item
, 0, sizeof(root_item
));
539 read_extent_buffer(leaf
, &root_item
, (unsigned long)ri
, len
);
540 root_flags_to_str(btrfs_root_flags(&root_item
), flags_str
);
542 printf("\t\tgeneration %llu root_dirid %llu bytenr %llu level %hhu refs %u\n",
543 (unsigned long long)btrfs_root_generation(&root_item
),
544 (unsigned long long)btrfs_root_dirid(&root_item
),
545 (unsigned long long)btrfs_root_bytenr(&root_item
),
546 btrfs_root_level(&root_item
),
547 btrfs_root_refs(&root_item
));
548 printf("\t\tlastsnap %llu byte_limit %llu bytes_used %llu flags 0x%llx(%s)\n",
549 (unsigned long long)btrfs_root_last_snapshot(&root_item
),
550 (unsigned long long)btrfs_root_limit(&root_item
),
551 (unsigned long long)btrfs_root_used(&root_item
),
552 (unsigned long long)btrfs_root_flags(&root_item
),
555 if (root_item
.generation
== root_item
.generation_v2
) {
556 uuid_unparse(root_item
.uuid
, uuid_str
);
557 printf("\t\tuuid %s\n", uuid_str
);
558 if (!empty_uuid(root_item
.parent_uuid
)) {
559 uuid_unparse(root_item
.parent_uuid
, uuid_str
);
560 printf("\t\tparent_uuid %s\n", uuid_str
);
562 if (!empty_uuid(root_item
.received_uuid
)) {
563 uuid_unparse(root_item
.received_uuid
, uuid_str
);
564 printf("\t\treceived_uuid %s\n", uuid_str
);
566 if (root_item
.ctransid
) {
567 printf("\t\tctransid %llu otransid %llu stransid %llu rtransid %llu\n",
568 btrfs_root_ctransid(&root_item
),
569 btrfs_root_otransid(&root_item
),
570 btrfs_root_stransid(&root_item
),
571 btrfs_root_rtransid(&root_item
));
575 btrfs_disk_key_to_cpu(&drop_key
, &root_item
.drop_progress
);
577 btrfs_print_key(&root_item
.drop_progress
);
578 printf(" level %hhu\n", root_item
.drop_level
);
581 static void print_free_space_header(struct extent_buffer
*leaf
, int slot
)
583 struct btrfs_free_space_header
*header
;
584 struct btrfs_disk_key location
;
586 header
= btrfs_item_ptr(leaf
, slot
, struct btrfs_free_space_header
);
587 btrfs_free_space_key(leaf
, header
, &location
);
588 printf("\t\tlocation ");
589 btrfs_print_key(&location
);
591 printf("\t\tcache generation %llu entries %llu bitmaps %llu\n",
592 (unsigned long long)btrfs_free_space_generation(leaf
, header
),
593 (unsigned long long)btrfs_free_space_entries(leaf
, header
),
594 (unsigned long long)btrfs_free_space_bitmaps(leaf
, header
));
597 void print_key_type(FILE *stream
, u64 objectid
, u8 type
)
599 static const char* key_to_str
[256] = {
600 [BTRFS_INODE_ITEM_KEY
] = "INODE_ITEM",
601 [BTRFS_INODE_REF_KEY
] = "INODE_REF",
602 [BTRFS_INODE_EXTREF_KEY
] = "INODE_EXTREF",
603 [BTRFS_DIR_ITEM_KEY
] = "DIR_ITEM",
604 [BTRFS_DIR_INDEX_KEY
] = "DIR_INDEX",
605 [BTRFS_DIR_LOG_ITEM_KEY
] = "DIR_LOG_ITEM",
606 [BTRFS_DIR_LOG_INDEX_KEY
] = "DIR_LOG_INDEX",
607 [BTRFS_XATTR_ITEM_KEY
] = "XATTR_ITEM",
608 [BTRFS_ORPHAN_ITEM_KEY
] = "ORPHAN_ITEM",
609 [BTRFS_ROOT_ITEM_KEY
] = "ROOT_ITEM",
610 [BTRFS_ROOT_REF_KEY
] = "ROOT_REF",
611 [BTRFS_ROOT_BACKREF_KEY
] = "ROOT_BACKREF",
612 [BTRFS_EXTENT_ITEM_KEY
] = "EXTENT_ITEM",
613 [BTRFS_METADATA_ITEM_KEY
] = "METADATA_ITEM",
614 [BTRFS_TREE_BLOCK_REF_KEY
] = "TREE_BLOCK_REF",
615 [BTRFS_SHARED_BLOCK_REF_KEY
] = "SHARED_BLOCK_REF",
616 [BTRFS_EXTENT_DATA_REF_KEY
] = "EXTENT_DATA_REF",
617 [BTRFS_SHARED_DATA_REF_KEY
] = "SHARED_DATA_REF",
618 [BTRFS_EXTENT_REF_V0_KEY
] = "EXTENT_REF_V0",
619 [BTRFS_CSUM_ITEM_KEY
] = "CSUM_ITEM",
620 [BTRFS_EXTENT_CSUM_KEY
] = "EXTENT_CSUM",
621 [BTRFS_EXTENT_DATA_KEY
] = "EXTENT_DATA",
622 [BTRFS_BLOCK_GROUP_ITEM_KEY
] = "BLOCK_GROUP_ITEM",
623 [BTRFS_FREE_SPACE_INFO_KEY
] = "FREE_SPACE_INFO",
624 [BTRFS_FREE_SPACE_EXTENT_KEY
] = "FREE_SPACE_EXTENT",
625 [BTRFS_FREE_SPACE_BITMAP_KEY
] = "FREE_SPACE_BITMAP",
626 [BTRFS_CHUNK_ITEM_KEY
] = "CHUNK_ITEM",
627 [BTRFS_DEV_ITEM_KEY
] = "DEV_ITEM",
628 [BTRFS_DEV_EXTENT_KEY
] = "DEV_EXTENT",
629 [BTRFS_TEMPORARY_ITEM_KEY
] = "TEMPORARY_ITEM",
630 [BTRFS_DEV_REPLACE_KEY
] = "DEV_REPLACE",
631 [BTRFS_STRING_ITEM_KEY
] = "STRING_ITEM",
632 [BTRFS_QGROUP_STATUS_KEY
] = "QGROUP_STATUS",
633 [BTRFS_QGROUP_RELATION_KEY
] = "QGROUP_RELATION",
634 [BTRFS_QGROUP_INFO_KEY
] = "QGROUP_INFO",
635 [BTRFS_QGROUP_LIMIT_KEY
] = "QGROUP_LIMIT",
636 [BTRFS_PERSISTENT_ITEM_KEY
] = "PERSISTENT_ITEM",
637 [BTRFS_UUID_KEY_SUBVOL
] = "UUID_KEY_SUBVOL",
638 [BTRFS_UUID_KEY_RECEIVED_SUBVOL
] = "UUID_KEY_RECEIVED_SUBVOL",
641 if (type
== 0 && objectid
== BTRFS_FREE_SPACE_OBJECTID
) {
642 fprintf(stream
, "UNTYPED");
647 if (key_to_str
[type
])
648 fputs(key_to_str
[type
], stream
);
650 fprintf(stream
, "UNKNOWN.%d", type
);
653 void print_objectid(FILE *stream
, u64 objectid
, u8 type
)
656 case BTRFS_DEV_EXTENT_KEY
:
658 fprintf(stream
, "%llu", (unsigned long long)objectid
);
660 case BTRFS_QGROUP_RELATION_KEY
:
661 fprintf(stream
, "%llu/%llu", btrfs_qgroup_level(objectid
),
662 btrfs_qgroup_subvid(objectid
));
664 case BTRFS_UUID_KEY_SUBVOL
:
665 case BTRFS_UUID_KEY_RECEIVED_SUBVOL
:
666 fprintf(stream
, "0x%016llx", (unsigned long long)objectid
);
671 case BTRFS_ROOT_TREE_OBJECTID
:
672 if (type
== BTRFS_DEV_ITEM_KEY
)
673 fprintf(stream
, "DEV_ITEMS");
675 fprintf(stream
, "ROOT_TREE");
677 case BTRFS_EXTENT_TREE_OBJECTID
:
678 fprintf(stream
, "EXTENT_TREE");
680 case BTRFS_CHUNK_TREE_OBJECTID
:
681 fprintf(stream
, "CHUNK_TREE");
683 case BTRFS_DEV_TREE_OBJECTID
:
684 fprintf(stream
, "DEV_TREE");
686 case BTRFS_FS_TREE_OBJECTID
:
687 fprintf(stream
, "FS_TREE");
689 case BTRFS_ROOT_TREE_DIR_OBJECTID
:
690 fprintf(stream
, "ROOT_TREE_DIR");
692 case BTRFS_CSUM_TREE_OBJECTID
:
693 fprintf(stream
, "CSUM_TREE");
695 case BTRFS_BALANCE_OBJECTID
:
696 fprintf(stream
, "BALANCE");
698 case BTRFS_ORPHAN_OBJECTID
:
699 fprintf(stream
, "ORPHAN");
701 case BTRFS_TREE_LOG_OBJECTID
:
702 fprintf(stream
, "TREE_LOG");
704 case BTRFS_TREE_LOG_FIXUP_OBJECTID
:
705 fprintf(stream
, "LOG_FIXUP");
707 case BTRFS_TREE_RELOC_OBJECTID
:
708 fprintf(stream
, "TREE_RELOC");
710 case BTRFS_DATA_RELOC_TREE_OBJECTID
:
711 fprintf(stream
, "DATA_RELOC_TREE");
713 case BTRFS_EXTENT_CSUM_OBJECTID
:
714 fprintf(stream
, "EXTENT_CSUM");
716 case BTRFS_FREE_SPACE_OBJECTID
:
717 fprintf(stream
, "FREE_SPACE");
719 case BTRFS_FREE_INO_OBJECTID
:
720 fprintf(stream
, "FREE_INO");
722 case BTRFS_QUOTA_TREE_OBJECTID
:
723 fprintf(stream
, "QUOTA_TREE");
725 case BTRFS_UUID_TREE_OBJECTID
:
726 fprintf(stream
, "UUID_TREE");
728 case BTRFS_FREE_SPACE_TREE_OBJECTID
:
729 fprintf(stream
, "FREE_SPACE_TREE");
731 case BTRFS_MULTIPLE_OBJECTIDS
:
732 fprintf(stream
, "MULTIPLE");
735 fprintf(stream
, "-1");
737 case BTRFS_FIRST_CHUNK_TREE_OBJECTID
:
738 if (type
== BTRFS_CHUNK_ITEM_KEY
) {
739 fprintf(stream
, "FIRST_CHUNK_TREE");
744 fprintf(stream
, "%llu", (unsigned long long)objectid
);
748 void btrfs_print_key(struct btrfs_disk_key
*disk_key
)
750 u64 objectid
= btrfs_disk_key_objectid(disk_key
);
751 u8 type
= btrfs_disk_key_type(disk_key
);
752 u64 offset
= btrfs_disk_key_offset(disk_key
);
755 print_objectid(stdout
, objectid
, type
);
757 print_key_type(stdout
, objectid
, type
);
759 case BTRFS_QGROUP_RELATION_KEY
:
760 case BTRFS_QGROUP_INFO_KEY
:
761 case BTRFS_QGROUP_LIMIT_KEY
:
762 printf(" %llu/%llu)", btrfs_qgroup_level(offset
),
763 btrfs_qgroup_subvid(offset
));
765 case BTRFS_UUID_KEY_SUBVOL
:
766 case BTRFS_UUID_KEY_RECEIVED_SUBVOL
:
767 printf(" 0x%016llx)", (unsigned long long)offset
);
770 if (offset
== (u64
)-1)
773 printf(" %llu)", (unsigned long long)offset
);
778 static void print_uuid_item(struct extent_buffer
*l
, unsigned long offset
,
781 if (item_size
& (sizeof(u64
) - 1)) {
782 printf("btrfs: uuid item with illegal size %lu!\n",
783 (unsigned long)item_size
);
789 read_extent_buffer(l
, &subvol_id
, offset
, sizeof(u64
));
790 printf("\t\tsubvol_id %llu\n",
791 (unsigned long long)le64_to_cpu(subvol_id
));
792 item_size
-= sizeof(u64
);
793 offset
+= sizeof(u64
);
797 /* Btrfs inode flag stringification helper */
798 #define STRCAT_ONE_INODE_FLAG(flags, name, empty, dst) ({ \
799 if (flags & BTRFS_INODE_##name) { \
802 strcat(dst, #name); \
808 * Caller should ensure sizeof(*ret) >= 102: all charactors plus '|' of
809 * BTRFS_INODE_* flags
811 static void inode_flags_to_str(u64 flags
, char *ret
)
815 STRCAT_ONE_INODE_FLAG(flags
, NODATASUM
, empty
, ret
);
816 STRCAT_ONE_INODE_FLAG(flags
, NODATACOW
, empty
, ret
);
817 STRCAT_ONE_INODE_FLAG(flags
, READONLY
, empty
, ret
);
818 STRCAT_ONE_INODE_FLAG(flags
, NOCOMPRESS
, empty
, ret
);
819 STRCAT_ONE_INODE_FLAG(flags
, PREALLOC
, empty
, ret
);
820 STRCAT_ONE_INODE_FLAG(flags
, SYNC
, empty
, ret
);
821 STRCAT_ONE_INODE_FLAG(flags
, IMMUTABLE
, empty
, ret
);
822 STRCAT_ONE_INODE_FLAG(flags
, APPEND
, empty
, ret
);
823 STRCAT_ONE_INODE_FLAG(flags
, NODUMP
, empty
, ret
);
824 STRCAT_ONE_INODE_FLAG(flags
, NOATIME
, empty
, ret
);
825 STRCAT_ONE_INODE_FLAG(flags
, DIRSYNC
, empty
, ret
);
826 STRCAT_ONE_INODE_FLAG(flags
, COMPRESS
, empty
, ret
);
831 static void print_timespec(struct extent_buffer
*eb
,
832 struct btrfs_timespec
*timespec
, const char *prefix
,
841 tmp_u64
= btrfs_timespec_sec(eb
, timespec
);
842 tmp_u32
= btrfs_timespec_nsec(eb
, timespec
);
844 localtime_r(&tmp_time
, &tm
);
845 strftime(timestamp
, sizeof(timestamp
),
846 "%Y-%m-%d %H:%M:%S", &tm
);
847 printf("%s%llu.%u (%s)%s", prefix
, (unsigned long long)tmp_u64
, tmp_u32
,
851 static void print_inode_item(struct extent_buffer
*eb
,
852 struct btrfs_inode_item
*ii
)
856 memset(flags_str
, 0, sizeof(flags_str
));
857 inode_flags_to_str(btrfs_inode_flags(eb
, ii
), flags_str
);
858 printf("\t\tinode generation %llu transid %llu size %llu nbytes %llu\n"
859 "\t\tblock group %llu mode %o links %u uid %u gid %u rdev %llu\n"
860 "\t\tsequence %llu flags 0x%llx(%s)\n",
861 (unsigned long long)btrfs_inode_generation(eb
, ii
),
862 (unsigned long long)btrfs_inode_transid(eb
, ii
),
863 (unsigned long long)btrfs_inode_size(eb
, ii
),
864 (unsigned long long)btrfs_inode_nbytes(eb
, ii
),
865 (unsigned long long)btrfs_inode_block_group(eb
,ii
),
866 btrfs_inode_mode(eb
, ii
),
867 btrfs_inode_nlink(eb
, ii
),
868 btrfs_inode_uid(eb
, ii
),
869 btrfs_inode_gid(eb
, ii
),
870 (unsigned long long)btrfs_inode_rdev(eb
,ii
),
871 (unsigned long long)btrfs_inode_flags(eb
,ii
),
872 (unsigned long long)btrfs_inode_sequence(eb
, ii
),
874 print_timespec(eb
, btrfs_inode_atime(ii
), "\t\tatime ", "\n");
875 print_timespec(eb
, btrfs_inode_ctime(ii
), "\t\tctime ", "\n");
876 print_timespec(eb
, btrfs_inode_mtime(ii
), "\t\tmtime ", "\n");
877 print_timespec(eb
, btrfs_inode_otime(ii
), "\t\totime ", "\n");
880 static void print_disk_balance_args(struct btrfs_disk_balance_args
*ba
)
882 printf("\t\tprofiles %llu devid %llu target %llu flags %llu\n",
883 (unsigned long long)le64_to_cpu(ba
->profiles
),
884 (unsigned long long)le64_to_cpu(ba
->devid
),
885 (unsigned long long)le64_to_cpu(ba
->target
),
886 (unsigned long long)le64_to_cpu(ba
->flags
));
887 printf("\t\tusage_min %u usage_max %u pstart %llu pend %llu\n",
888 le32_to_cpu(ba
->usage_min
),
889 le32_to_cpu(ba
->usage_max
),
890 (unsigned long long)le64_to_cpu(ba
->pstart
),
891 (unsigned long long)le64_to_cpu(ba
->pend
));
892 printf("\t\tvstart %llu vend %llu limit_min %u limit_max %u\n",
893 (unsigned long long)le64_to_cpu(ba
->vstart
),
894 (unsigned long long)le64_to_cpu(ba
->vend
),
895 le32_to_cpu(ba
->limit_min
),
896 le32_to_cpu(ba
->limit_max
));
897 printf("\t\tstripes_min %u stripes_max %u\n",
898 le32_to_cpu(ba
->stripes_min
),
899 le32_to_cpu(ba
->stripes_max
));
902 static void print_balance_item(struct extent_buffer
*eb
,
903 struct btrfs_balance_item
*bi
)
905 printf("\t\tbalance status flags %llu\n",
906 btrfs_balance_item_flags(eb
, bi
));
908 printf("\t\tDATA\n");
909 print_disk_balance_args(btrfs_balance_item_data(eb
, bi
));
910 printf("\t\tMETADATA\n");
911 print_disk_balance_args(btrfs_balance_item_meta(eb
, bi
));
912 printf("\t\tSYSTEM\n");
913 print_disk_balance_args(btrfs_balance_item_sys(eb
, bi
));
916 static void print_dev_stats(struct extent_buffer
*eb
,
917 struct btrfs_dev_stats_item
*stats
, u32 size
)
920 u32 known
= BTRFS_DEV_STAT_VALUES_MAX
* sizeof(__le64
);
921 __le64
*values
= btrfs_dev_stats_values(eb
, stats
);
923 printf("\t\tdevice stats\n");
924 printf("\t\twrite_errs %llu read_errs %llu flush_errs %llu corruption_errs %llu generation %llu\n",
925 (unsigned long long)le64_to_cpu(values
[BTRFS_DEV_STAT_WRITE_ERRS
]),
926 (unsigned long long)le64_to_cpu(values
[BTRFS_DEV_STAT_READ_ERRS
]),
927 (unsigned long long)le64_to_cpu(values
[BTRFS_DEV_STAT_FLUSH_ERRS
]),
928 (unsigned long long)le64_to_cpu(values
[BTRFS_DEV_STAT_CORRUPTION_ERRS
]),
929 (unsigned long long)le64_to_cpu(values
[BTRFS_DEV_STAT_GENERATION_ERRS
]));
932 printf("\t\tunknown stats item bytes %u", size
- known
);
933 for (i
= BTRFS_DEV_STAT_VALUES_MAX
; i
* sizeof(__le64
) < size
; i
++) {
934 printf("\t\tunknown item %u offset %zu value %llu\n",
935 i
, i
* sizeof(__le64
),
936 (unsigned long long)le64_to_cpu(values
[i
]));
941 void btrfs_print_leaf(struct btrfs_root
*root
, struct extent_buffer
*eb
)
943 struct btrfs_item
*item
;
944 struct btrfs_disk_key disk_key
;
948 nr
= btrfs_header_nritems(eb
);
950 printf("leaf %llu items %d free space %d generation %llu owner %llu\n",
951 (unsigned long long)btrfs_header_bytenr(eb
), nr
,
952 btrfs_leaf_free_space(root
, eb
),
953 (unsigned long long)btrfs_header_generation(eb
),
954 (unsigned long long)btrfs_header_owner(eb
));
958 for (i
= 0; i
< nr
; i
++) {
965 char uuid_str
[BTRFS_UUID_UNPARSED_SIZE
];
966 u8 uuid
[BTRFS_UUID_SIZE
];
968 item
= btrfs_item_nr(i
);
969 item_size
= btrfs_item_size(eb
, item
);
970 /* Untyped extraction of slot from btrfs_item_ptr */
971 ptr
= btrfs_item_ptr(eb
, i
, void*);
973 btrfs_item_key(eb
, &disk_key
, i
);
974 objectid
= btrfs_disk_key_objectid(&disk_key
);
975 type
= btrfs_disk_key_type(&disk_key
);
976 offset
= btrfs_disk_key_offset(&disk_key
);
978 printf("\titem %d ", i
);
979 btrfs_print_key(&disk_key
);
980 printf(" itemoff %d itemsize %d\n",
981 btrfs_item_offset(eb
, item
),
982 btrfs_item_size(eb
, item
));
984 if (type
== 0 && objectid
== BTRFS_FREE_SPACE_OBJECTID
)
985 print_free_space_header(eb
, i
);
988 case BTRFS_INODE_ITEM_KEY
:
989 print_inode_item(eb
, ptr
);
991 case BTRFS_INODE_REF_KEY
:
992 print_inode_ref_item(eb
, item_size
, ptr
);
994 case BTRFS_INODE_EXTREF_KEY
:
995 print_inode_extref_item(eb
, item_size
, ptr
);
997 case BTRFS_DIR_ITEM_KEY
:
998 case BTRFS_DIR_INDEX_KEY
:
999 case BTRFS_XATTR_ITEM_KEY
:
1000 print_dir_item(eb
, item_size
, ptr
);
1002 case BTRFS_DIR_LOG_INDEX_KEY
:
1003 case BTRFS_DIR_LOG_ITEM_KEY
: {
1004 struct btrfs_dir_log_item
*dlog
;
1006 dlog
= btrfs_item_ptr(eb
, i
, struct btrfs_dir_log_item
);
1007 printf("\t\tdir log end %Lu\n",
1008 (unsigned long long)btrfs_dir_log_end(eb
, dlog
));
1011 case BTRFS_ORPHAN_ITEM_KEY
:
1012 printf("\t\torphan item\n");
1014 case BTRFS_ROOT_ITEM_KEY
:
1017 case BTRFS_ROOT_REF_KEY
:
1018 print_root_ref(eb
, i
, "ref");
1020 case BTRFS_ROOT_BACKREF_KEY
:
1021 print_root_ref(eb
, i
, "backref");
1023 case BTRFS_EXTENT_ITEM_KEY
:
1024 print_extent_item(eb
, i
, 0);
1026 case BTRFS_METADATA_ITEM_KEY
:
1027 print_extent_item(eb
, i
, 1);
1029 case BTRFS_TREE_BLOCK_REF_KEY
:
1030 printf("\t\ttree block backref\n");
1032 case BTRFS_SHARED_BLOCK_REF_KEY
:
1033 printf("\t\tshared block backref\n");
1035 case BTRFS_EXTENT_DATA_REF_KEY
: {
1036 struct btrfs_extent_data_ref
*dref
;
1038 dref
= btrfs_item_ptr(eb
, i
, struct btrfs_extent_data_ref
);
1039 printf("\t\textent data backref root %llu "
1040 "objectid %llu offset %llu count %u\n",
1041 (unsigned long long)btrfs_extent_data_ref_root(eb
, dref
),
1042 (unsigned long long)btrfs_extent_data_ref_objectid(eb
, dref
),
1043 (unsigned long long)btrfs_extent_data_ref_offset(eb
, dref
),
1044 btrfs_extent_data_ref_count(eb
, dref
));
1047 case BTRFS_SHARED_DATA_REF_KEY
: {
1048 struct btrfs_shared_data_ref
*sref
;
1049 sref
= btrfs_item_ptr(eb
, i
, struct btrfs_shared_data_ref
);
1050 printf("\t\tshared data backref count %u\n",
1051 btrfs_shared_data_ref_count(eb
, sref
));
1054 case BTRFS_EXTENT_REF_V0_KEY
:
1055 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
1056 print_extent_ref_v0(eb
, i
);
1061 case BTRFS_CSUM_ITEM_KEY
:
1062 printf("\t\tcsum item\n");
1064 case BTRFS_EXTENT_CSUM_KEY
:
1065 printf("\t\textent csum item\n");
1067 case BTRFS_EXTENT_DATA_KEY
:
1068 print_file_extent_item(eb
, item
, i
, ptr
);
1070 case BTRFS_BLOCK_GROUP_ITEM_KEY
: {
1071 struct btrfs_block_group_item bg_item
;
1073 read_extent_buffer(eb
, &bg_item
, (unsigned long)ptr
,
1075 memset(flags_str
, 0, sizeof(flags_str
));
1076 bg_flags_to_str(btrfs_block_group_flags(&bg_item
),
1078 printf("\t\tblock group used %llu chunk_objectid %llu flags %s\n",
1079 (unsigned long long)btrfs_block_group_used(&bg_item
),
1080 (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item
),
1084 case BTRFS_FREE_SPACE_INFO_KEY
: {
1085 struct btrfs_free_space_info
*free_info
;
1087 free_info
= btrfs_item_ptr(eb
, i
, struct btrfs_free_space_info
);
1088 printf("\t\tfree space info extent count %u flags %u\n",
1089 (unsigned)btrfs_free_space_extent_count(eb
, free_info
),
1090 (unsigned)btrfs_free_space_flags(eb
, free_info
));
1093 case BTRFS_FREE_SPACE_EXTENT_KEY
:
1094 printf("\t\tfree space extent\n");
1096 case BTRFS_FREE_SPACE_BITMAP_KEY
:
1097 printf("\t\tfree space bitmap\n");
1099 case BTRFS_CHUNK_ITEM_KEY
:
1100 print_chunk(eb
, ptr
);
1102 case BTRFS_DEV_ITEM_KEY
:
1103 print_dev_item(eb
, ptr
);
1105 case BTRFS_DEV_EXTENT_KEY
: {
1106 struct btrfs_dev_extent
*dev_extent
;
1108 dev_extent
= btrfs_item_ptr(eb
, i
,
1109 struct btrfs_dev_extent
);
1110 read_extent_buffer(eb
, uuid
,
1111 (unsigned long)btrfs_dev_extent_chunk_tree_uuid(dev_extent
),
1113 uuid_unparse(uuid
, uuid_str
);
1114 printf("\t\tdev extent chunk_tree %llu\n"
1115 "\t\tchunk_objectid %llu chunk_offset %llu "
1117 "\t\tchunk_tree_uuid %s\n",
1118 (unsigned long long)
1119 btrfs_dev_extent_chunk_tree(eb
, dev_extent
),
1120 (unsigned long long)
1121 btrfs_dev_extent_chunk_objectid(eb
, dev_extent
),
1122 (unsigned long long)
1123 btrfs_dev_extent_chunk_offset(eb
, dev_extent
),
1124 (unsigned long long)
1125 btrfs_dev_extent_length(eb
, dev_extent
),
1129 case BTRFS_QGROUP_STATUS_KEY
: {
1130 struct btrfs_qgroup_status_item
*qg_status
;
1132 qg_status
= btrfs_item_ptr(eb
, i
,
1133 struct btrfs_qgroup_status_item
);
1134 memset(flags_str
, 0, sizeof(flags_str
));
1135 qgroup_flags_to_str(btrfs_qgroup_status_flags(eb
, qg_status
),
1137 printf("\t\tversion %llu generation %llu flags %s "
1139 (unsigned long long)
1140 btrfs_qgroup_status_version(eb
, qg_status
),
1141 (unsigned long long)
1142 btrfs_qgroup_status_generation(eb
, qg_status
),
1144 (unsigned long long)
1145 btrfs_qgroup_status_rescan(eb
, qg_status
));
1148 case BTRFS_QGROUP_RELATION_KEY
:
1150 case BTRFS_QGROUP_INFO_KEY
: {
1151 struct btrfs_qgroup_info_item
*qg_info
;
1153 qg_info
= btrfs_item_ptr(eb
, i
,
1154 struct btrfs_qgroup_info_item
);
1155 printf("\t\tgeneration %llu\n"
1156 "\t\treferenced %llu referenced_compressed %llu\n"
1157 "\t\texclusive %llu exclusive_compressed %llu\n",
1158 (unsigned long long)
1159 btrfs_qgroup_info_generation(eb
, qg_info
),
1160 (unsigned long long)
1161 btrfs_qgroup_info_referenced(eb
, qg_info
),
1162 (unsigned long long)
1163 btrfs_qgroup_info_referenced_compressed(eb
,
1165 (unsigned long long)
1166 btrfs_qgroup_info_exclusive(eb
, qg_info
),
1167 (unsigned long long)
1168 btrfs_qgroup_info_exclusive_compressed(eb
,
1172 case BTRFS_QGROUP_LIMIT_KEY
: {
1173 struct btrfs_qgroup_limit_item
*qg_limit
;
1175 qg_limit
= btrfs_item_ptr(eb
, i
,
1176 struct btrfs_qgroup_limit_item
);
1177 printf("\t\tflags %llx\n"
1178 "\t\tmax_referenced %lld max_exclusive %lld\n"
1179 "\t\trsv_referenced %lld rsv_exclusive %lld\n",
1180 (unsigned long long)
1181 btrfs_qgroup_limit_flags(eb
, qg_limit
),
1183 btrfs_qgroup_limit_max_referenced(eb
, qg_limit
),
1185 btrfs_qgroup_limit_max_exclusive(eb
, qg_limit
),
1187 btrfs_qgroup_limit_rsv_referenced(eb
, qg_limit
),
1189 btrfs_qgroup_limit_rsv_exclusive(eb
, qg_limit
));
1192 case BTRFS_UUID_KEY_SUBVOL
:
1193 case BTRFS_UUID_KEY_RECEIVED_SUBVOL
:
1194 print_uuid_item(eb
, btrfs_item_ptr_offset(eb
, i
),
1195 btrfs_item_size_nr(eb
, i
));
1197 case BTRFS_STRING_ITEM_KEY
: {
1198 const char *str
= eb
->data
+ btrfs_item_ptr_offset(eb
, i
);
1200 printf("\t\titem data %.*s\n", item_size
, str
);
1203 case BTRFS_PERSISTENT_ITEM_KEY
:
1204 printf("\t\tpersistent item objectid ");
1205 print_objectid(stdout
, objectid
, BTRFS_PERSISTENT_ITEM_KEY
);
1206 printf(" offset %llu\n", (unsigned long long)offset
);
1208 case BTRFS_DEV_STATS_OBJECTID
:
1209 print_dev_stats(eb
, ptr
, item_size
);
1212 printf("\t\tunknown persistent item objectid %llu\n",
1216 case BTRFS_TEMPORARY_ITEM_KEY
:
1217 printf("\t\ttemporary item objectid ");
1218 print_objectid(stdout
, objectid
, BTRFS_TEMPORARY_ITEM_KEY
);
1219 printf(" offset %llu\n", (unsigned long long)offset
);
1221 case BTRFS_BALANCE_OBJECTID
:
1222 print_balance_item(eb
, ptr
);
1225 printf("\t\tunknown temporary item objectid %llu\n",
1234 void btrfs_print_tree(struct btrfs_root
*root
, struct extent_buffer
*eb
, int follow
)
1239 struct btrfs_disk_key disk_key
;
1240 struct btrfs_key key
;
1241 struct extent_buffer
*next
;
1245 nr
= btrfs_header_nritems(eb
);
1246 if (btrfs_is_leaf(eb
)) {
1247 btrfs_print_leaf(root
, eb
);
1250 printf("node %llu level %d items %d free %u generation %llu owner %llu\n",
1251 (unsigned long long)eb
->start
,
1252 btrfs_header_level(eb
), nr
,
1253 (u32
)BTRFS_NODEPTRS_PER_BLOCK(root
) - nr
,
1254 (unsigned long long)btrfs_header_generation(eb
),
1255 (unsigned long long)btrfs_header_owner(eb
));
1258 size
= root
->nodesize
;
1259 for (i
= 0; i
< nr
; i
++) {
1260 u64 blocknr
= btrfs_node_blockptr(eb
, i
);
1261 btrfs_node_key(eb
, &disk_key
, i
);
1262 btrfs_disk_key_to_cpu(&key
, &disk_key
);
1264 btrfs_print_key(&disk_key
);
1265 printf(" block %llu (%llu) gen %llu\n",
1266 (unsigned long long)blocknr
,
1267 (unsigned long long)blocknr
/ size
,
1268 (unsigned long long)btrfs_node_ptr_generation(eb
, i
));
1274 for (i
= 0; i
< nr
; i
++) {
1275 next
= read_tree_block(root
, btrfs_node_blockptr(eb
, i
), size
,
1276 btrfs_node_ptr_generation(eb
, i
));
1277 if (!extent_buffer_uptodate(next
)) {
1278 fprintf(stderr
, "failed to read %llu in tree %llu\n",
1279 (unsigned long long)btrfs_node_blockptr(eb
, i
),
1280 (unsigned long long)btrfs_header_owner(eb
));
1283 if (btrfs_is_leaf(next
) && btrfs_header_level(eb
) != 1) {
1285 "eb corrupted: item %d eb level %d next level %d, skipping the rest",
1286 i
, btrfs_header_level(next
),
1287 btrfs_header_level(eb
));
1290 if (btrfs_header_level(next
) != btrfs_header_level(eb
) - 1) {
1292 "eb corrupted: item %d eb level %d next level %d, skipping the rest",
1293 i
, btrfs_header_level(next
),
1294 btrfs_header_level(eb
));
1297 btrfs_print_tree(root
, next
, 1);
1298 free_extent_buffer(next
);
1304 free_extent_buffer(next
);