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"
28 static int print_dir_item(struct extent_buffer
*eb
, struct btrfs_item
*item
,
29 struct btrfs_dir_item
*di
)
36 char namebuf
[BTRFS_NAME_LEN
];
37 struct btrfs_disk_key location
;
39 total
= btrfs_item_size(eb
, item
);
41 btrfs_dir_item_key(eb
, di
, &location
);
42 printf("\t\tlocation ");
43 btrfs_print_key(&location
);
44 printf(" type %u\n", btrfs_dir_type(eb
, di
));
45 name_len
= btrfs_dir_name_len(eb
, di
);
46 data_len
= btrfs_dir_data_len(eb
, di
);
47 len
= (name_len
<= sizeof(namebuf
))? name_len
: sizeof(namebuf
);
48 read_extent_buffer(eb
, namebuf
, (unsigned long)(di
+ 1), len
);
49 printf("\t\tnamelen %u datalen %u name: %.*s\n",
50 name_len
, data_len
, len
, namebuf
);
52 len
= (data_len
<= sizeof(namebuf
))? data_len
: sizeof(namebuf
);
53 read_extent_buffer(eb
, namebuf
,
54 (unsigned long)(di
+ 1) + name_len
, len
);
55 printf("\t\tdata %.*s\n", len
, namebuf
);
57 len
= sizeof(*di
) + name_len
+ data_len
;
58 di
= (struct btrfs_dir_item
*)((char *)di
+ len
);
64 static int print_inode_ref_item(struct extent_buffer
*eb
, struct btrfs_item
*item
,
65 struct btrfs_inode_ref
*ref
)
72 char namebuf
[BTRFS_NAME_LEN
];
73 total
= btrfs_item_size(eb
, item
);
75 name_len
= btrfs_inode_ref_name_len(eb
, ref
);
76 index
= btrfs_inode_ref_index(eb
, ref
);
77 len
= (name_len
<= sizeof(namebuf
))? name_len
: sizeof(namebuf
);
78 read_extent_buffer(eb
, namebuf
, (unsigned long)(ref
+ 1), len
);
79 printf("\t\tinode ref index %llu namelen %u name: %.*s\n",
80 (unsigned long long)index
, name_len
, len
, namebuf
);
81 len
= sizeof(*ref
) + name_len
;
82 ref
= (struct btrfs_inode_ref
*)((char *)ref
+ len
);
88 static void print_chunk(struct extent_buffer
*eb
, struct btrfs_chunk
*chunk
)
90 int num_stripes
= btrfs_chunk_num_stripes(eb
, chunk
);
92 printf("\t\tchunk length %llu owner %llu type %llu num_stripes %d\n",
93 (unsigned long long)btrfs_chunk_length(eb
, chunk
),
94 (unsigned long long)btrfs_chunk_owner(eb
, chunk
),
95 (unsigned long long)btrfs_chunk_type(eb
, chunk
),
97 for (i
= 0 ; i
< num_stripes
; i
++) {
98 printf("\t\t\tstripe %d devid %llu offset %llu\n", i
,
99 (unsigned long long)btrfs_stripe_devid_nr(eb
, chunk
, i
),
100 (unsigned long long)btrfs_stripe_offset_nr(eb
, chunk
, i
));
104 static void print_dev_item(struct extent_buffer
*eb
,
105 struct btrfs_dev_item
*dev_item
)
107 printf("\t\tdev item devid %llu "
108 "total_bytes %llu bytes used %Lu\n",
109 (unsigned long long)btrfs_device_id(eb
, dev_item
),
110 (unsigned long long)btrfs_device_total_bytes(eb
, dev_item
),
111 (unsigned long long)btrfs_device_bytes_used(eb
, dev_item
));
114 static void print_uuids(struct extent_buffer
*eb
)
118 u8 disk_uuid
[BTRFS_UUID_SIZE
];
120 read_extent_buffer(eb
, disk_uuid
, (unsigned long)btrfs_header_fsid(eb
),
124 uuid_unparse(disk_uuid
, fs_uuid
);
126 read_extent_buffer(eb
, disk_uuid
,
127 (unsigned long)btrfs_header_chunk_tree_uuid(eb
),
130 chunk_uuid
[36] = '\0';
131 uuid_unparse(disk_uuid
, chunk_uuid
);
132 printf("fs uuid %s\nchunk uuid %s\n", fs_uuid
, chunk_uuid
);
135 static void print_file_extent_item(struct extent_buffer
*eb
,
136 struct btrfs_item
*item
,
137 struct btrfs_file_extent_item
*fi
)
139 int extent_type
= btrfs_file_extent_type(eb
, fi
);
141 if (extent_type
== BTRFS_FILE_EXTENT_INLINE
) {
142 printf("\t\tinline extent data size %u "
143 "ram %u compress %d\n",
144 btrfs_file_extent_inline_item_len(eb
, item
),
145 btrfs_file_extent_inline_len(eb
, fi
),
146 btrfs_file_extent_compression(eb
, fi
));
149 if (extent_type
== BTRFS_FILE_EXTENT_PREALLOC
) {
150 printf("\t\tprealloc data disk byte %llu nr %llu\n",
151 (unsigned long long)btrfs_file_extent_disk_bytenr(eb
, fi
),
152 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb
, fi
));
153 printf("\t\tprealloc data offset %llu nr %llu\n",
154 (unsigned long long)btrfs_file_extent_offset(eb
, fi
),
155 (unsigned long long)btrfs_file_extent_num_bytes(eb
, fi
));
158 printf("\t\textent data disk byte %llu nr %llu\n",
159 (unsigned long long)btrfs_file_extent_disk_bytenr(eb
, fi
),
160 (unsigned long long)btrfs_file_extent_disk_num_bytes(eb
, fi
));
161 printf("\t\textent data offset %llu nr %llu ram %llu\n",
162 (unsigned long long)btrfs_file_extent_offset(eb
, fi
),
163 (unsigned long long)btrfs_file_extent_num_bytes(eb
, fi
),
164 (unsigned long long)btrfs_file_extent_ram_bytes(eb
, fi
));
165 printf("\t\textent compression %d\n",
166 btrfs_file_extent_compression(eb
, fi
));
169 static void print_extent_item(struct extent_buffer
*eb
, int slot
)
171 struct btrfs_extent_item
*ei
;
172 struct btrfs_extent_inline_ref
*iref
;
173 struct btrfs_extent_data_ref
*dref
;
174 struct btrfs_shared_data_ref
*sref
;
175 struct btrfs_disk_key key
;
179 u32 item_size
= btrfs_item_size_nr(eb
, slot
);
183 if (item_size
< sizeof(*ei
)) {
184 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
185 struct btrfs_extent_item_v0
*ei0
;
186 BUG_ON(item_size
!= sizeof(*ei0
));
187 ei0
= btrfs_item_ptr(eb
, slot
, struct btrfs_extent_item_v0
);
188 printf("\t\textent refs %u\n",
189 btrfs_extent_refs_v0(eb
, ei0
));
196 ei
= btrfs_item_ptr(eb
, slot
, struct btrfs_extent_item
);
197 flags
= btrfs_extent_flags(eb
, ei
);
199 printf("\t\textent refs %llu gen %llu flags %llu\n",
200 (unsigned long long)btrfs_extent_refs(eb
, ei
),
201 (unsigned long long)btrfs_extent_generation(eb
, ei
),
202 (unsigned long long)flags
);
204 if (flags
& BTRFS_EXTENT_FLAG_TREE_BLOCK
) {
205 struct btrfs_tree_block_info
*info
;
206 info
= (struct btrfs_tree_block_info
*)(ei
+ 1);
207 btrfs_tree_block_key(eb
, info
, &key
);
208 printf("\t\ttree block key (%llu %x %llu) level %d\n",
209 (unsigned long long)btrfs_disk_key_objectid(&key
),
211 (unsigned long long)btrfs_disk_key_offset(&key
),
212 btrfs_tree_block_level(eb
, info
));
213 iref
= (struct btrfs_extent_inline_ref
*)(info
+ 1);
215 iref
= (struct btrfs_extent_inline_ref
*)(ei
+ 1);
218 ptr
= (unsigned long)iref
;
219 end
= (unsigned long)ei
+ item_size
;
221 iref
= (struct btrfs_extent_inline_ref
*)ptr
;
222 type
= btrfs_extent_inline_ref_type(eb
, iref
);
223 offset
= btrfs_extent_inline_ref_offset(eb
, iref
);
225 case BTRFS_TREE_BLOCK_REF_KEY
:
226 printf("\t\ttree block backref root %llu\n",
227 (unsigned long long)offset
);
229 case BTRFS_SHARED_BLOCK_REF_KEY
:
230 printf("\t\tshared block backref parent %llu\n",
231 (unsigned long long)offset
);
233 case BTRFS_EXTENT_DATA_REF_KEY
:
234 dref
= (struct btrfs_extent_data_ref
*)(&iref
->offset
);
235 printf("\t\textent data backref root %llu "
236 "objectid %llu offset %llu count %u\n",
237 (unsigned long long)btrfs_extent_data_ref_root(eb
, dref
),
238 (unsigned long long)btrfs_extent_data_ref_objectid(eb
, dref
),
239 (unsigned long long)btrfs_extent_data_ref_offset(eb
, dref
),
240 btrfs_extent_data_ref_count(eb
, dref
));
242 case BTRFS_SHARED_DATA_REF_KEY
:
243 sref
= (struct btrfs_shared_data_ref
*)(iref
+ 1);
244 printf("\t\tshared data backref parent %llu count %u\n",
245 (unsigned long long)offset
,
246 btrfs_shared_data_ref_count(eb
, sref
));
251 ptr
+= btrfs_extent_inline_ref_size(type
);
256 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
257 static void print_extent_ref_v0(struct extent_buffer
*eb
, int slot
)
259 struct btrfs_extent_ref_v0
*ref0
;
261 ref0
= btrfs_item_ptr(eb
, slot
, struct btrfs_extent_ref_v0
);
262 printf("\t\textent back ref root %llu gen %llu "
263 "owner %llu num_refs %lu\n",
264 (unsigned long long)btrfs_ref_root_v0(eb
, ref0
),
265 (unsigned long long)btrfs_ref_generation_v0(eb
, ref0
),
266 (unsigned long long)btrfs_ref_objectid_v0(eb
, ref0
),
267 (unsigned long)btrfs_ref_count_v0(eb
, ref0
));
271 static void print_root_ref(struct extent_buffer
*leaf
, int slot
, char *tag
)
273 struct btrfs_root_ref
*ref
;
274 char namebuf
[BTRFS_NAME_LEN
];
277 ref
= btrfs_item_ptr(leaf
, slot
, struct btrfs_root_ref
);
278 namelen
= btrfs_root_ref_name_len(leaf
, ref
);
279 read_extent_buffer(leaf
, namebuf
, (unsigned long)(ref
+ 1), namelen
);
280 printf("\t\troot %s key dirid %llu sequence %llu name %.*s\n", tag
,
281 (unsigned long long)btrfs_root_ref_dirid(leaf
, ref
),
282 (unsigned long long)btrfs_root_ref_sequence(leaf
, ref
),
286 static int count_bytes(void *buf
, int len
, char b
)
290 for (i
= 0; i
< len
; i
++) {
291 if (((char*)buf
)[i
] == b
)
297 static void print_root(struct extent_buffer
*leaf
, int slot
)
299 struct btrfs_root_item
*ri
;
300 struct btrfs_root_item root_item
;
304 ri
= btrfs_item_ptr(leaf
, slot
, struct btrfs_root_item
);
305 len
= btrfs_item_size_nr(leaf
, slot
);
307 memset(&root_item
, 0, sizeof(root_item
));
308 read_extent_buffer(leaf
, &root_item
, (unsigned long)ri
, len
);
310 printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu\n",
311 (unsigned long long)btrfs_root_bytenr(&root_item
),
312 btrfs_root_level(&root_item
),
313 (unsigned long long)btrfs_root_dirid(&root_item
),
314 btrfs_root_refs(&root_item
),
315 (unsigned long long)btrfs_root_generation(&root_item
));
317 if (root_item
.generation
== root_item
.generation_v2
) {
318 uuid_unparse(root_item
.uuid
, uuid_str
);
319 printf("\t\tuuid %s\n", uuid_str
);
320 if (count_bytes(root_item
.parent_uuid
, BTRFS_UUID_SIZE
, 0) != BTRFS_UUID_SIZE
) {
321 uuid_unparse(root_item
.parent_uuid
, uuid_str
);
322 printf("\t\tparent_uuid %s\n", uuid_str
);
324 if (count_bytes(root_item
.received_uuid
, BTRFS_UUID_SIZE
, 0) != BTRFS_UUID_SIZE
) {
325 uuid_unparse(root_item
.received_uuid
, uuid_str
);
326 printf("\t\treceived_uuid %s\n", uuid_str
);
328 if (root_item
.ctransid
) {
329 printf("\t\tctransid %llu otransid %llu stransid %llu rtransid %llu\n",
330 btrfs_root_ctransid(&root_item
),
331 btrfs_root_otransid(&root_item
),
332 btrfs_root_stransid(&root_item
),
333 btrfs_root_rtransid(&root_item
));
336 if (btrfs_root_refs(&root_item
) == 0) {
337 struct btrfs_key drop_key
;
338 btrfs_disk_key_to_cpu(&drop_key
,
339 &root_item
.drop_progress
);
341 btrfs_print_key(&root_item
.drop_progress
);
342 printf(" level %d\n", root_item
.drop_level
);
346 static void print_free_space_header(struct extent_buffer
*leaf
, int slot
)
348 struct btrfs_free_space_header
*header
;
349 struct btrfs_disk_key location
;
351 header
= btrfs_item_ptr(leaf
, slot
, struct btrfs_free_space_header
);
352 btrfs_free_space_key(leaf
, header
, &location
);
353 printf("\t\tlocation ");
354 btrfs_print_key(&location
);
356 printf("\t\tcache generation %llu entries %llu bitmaps %llu\n",
357 (unsigned long long)btrfs_free_space_generation(leaf
, header
),
358 (unsigned long long)btrfs_free_space_entries(leaf
, header
),
359 (unsigned long long)btrfs_free_space_bitmaps(leaf
, header
));
362 static void print_key_type(u64 objectid
, u8 type
)
364 if (type
== 0 && objectid
== BTRFS_FREE_SPACE_OBJECTID
) {
370 case BTRFS_INODE_ITEM_KEY
:
371 printf("INODE_ITEM");
373 case BTRFS_INODE_REF_KEY
:
376 case BTRFS_DIR_ITEM_KEY
:
379 case BTRFS_DIR_INDEX_KEY
:
382 case BTRFS_DIR_LOG_ITEM_KEY
:
383 printf("DIR_LOG_ITEM");
385 case BTRFS_DIR_LOG_INDEX_KEY
:
386 printf("DIR_LOG_INDEX");
388 case BTRFS_XATTR_ITEM_KEY
:
389 printf("XATTR_ITEM");
391 case BTRFS_ORPHAN_ITEM_KEY
:
392 printf("ORPHAN_ITEM");
394 case BTRFS_ROOT_ITEM_KEY
:
397 case BTRFS_ROOT_REF_KEY
:
400 case BTRFS_ROOT_BACKREF_KEY
:
401 printf("ROOT_BACKREF");
403 case BTRFS_EXTENT_ITEM_KEY
:
404 printf("EXTENT_ITEM");
406 case BTRFS_TREE_BLOCK_REF_KEY
:
407 printf("TREE_BLOCK_REF");
409 case BTRFS_SHARED_BLOCK_REF_KEY
:
410 printf("SHARED_BLOCK_REF");
412 case BTRFS_EXTENT_DATA_REF_KEY
:
413 printf("EXTENT_DATA_REF");
415 case BTRFS_SHARED_DATA_REF_KEY
:
416 printf("SHARED_DATA_REF");
418 case BTRFS_EXTENT_REF_V0_KEY
:
419 printf("EXTENT_REF_V0");
421 case BTRFS_CSUM_ITEM_KEY
:
424 case BTRFS_EXTENT_CSUM_KEY
:
425 printf("EXTENT_CSUM");
427 case BTRFS_EXTENT_DATA_KEY
:
428 printf("EXTENT_DATA");
430 case BTRFS_BLOCK_GROUP_ITEM_KEY
:
431 printf("BLOCK_GROUP_ITEM");
433 case BTRFS_CHUNK_ITEM_KEY
:
434 printf("CHUNK_ITEM");
436 case BTRFS_DEV_ITEM_KEY
:
439 case BTRFS_DEV_EXTENT_KEY
:
440 printf("DEV_EXTENT");
442 case BTRFS_BALANCE_ITEM_KEY
:
443 printf("BALANCE_ITEM");
445 case BTRFS_STRING_ITEM_KEY
:
446 printf("STRING_ITEM");
448 case BTRFS_QGROUP_STATUS_KEY
:
449 printf("BTRFS_STATUS_KEY");
451 case BTRFS_QGROUP_RELATION_KEY
:
452 printf("BTRFS_QGROUP_RELATION_KEY");
454 case BTRFS_QGROUP_INFO_KEY
:
455 printf("BTRFS_QGROUP_INFO_KEY");
457 case BTRFS_QGROUP_LIMIT_KEY
:
458 printf("BTRFS_QGROUP_LIMIT_KEY");
461 printf("UNKNOWN.%d", type
);
465 static void print_objectid(u64 objectid
, u8 type
)
467 if (type
== BTRFS_DEV_EXTENT_KEY
) {
468 printf("%llu", (unsigned long long)objectid
); /* device id */
472 case BTRFS_QGROUP_RELATION_KEY
:
473 printf("%llu/%llu", objectid
>> 48,
474 objectid
& ((1ll << 48) - 1));
479 case BTRFS_ROOT_TREE_OBJECTID
:
480 if (type
== BTRFS_DEV_ITEM_KEY
)
485 case BTRFS_EXTENT_TREE_OBJECTID
:
486 printf("EXTENT_TREE");
488 case BTRFS_CHUNK_TREE_OBJECTID
:
489 printf("CHUNK_TREE");
491 case BTRFS_DEV_TREE_OBJECTID
:
494 case BTRFS_FS_TREE_OBJECTID
:
497 case BTRFS_ROOT_TREE_DIR_OBJECTID
:
498 printf("ROOT_TREE_DIR");
500 case BTRFS_CSUM_TREE_OBJECTID
:
503 case BTRFS_BALANCE_OBJECTID
:
506 case BTRFS_ORPHAN_OBJECTID
:
509 case BTRFS_TREE_LOG_OBJECTID
:
512 case BTRFS_TREE_LOG_FIXUP_OBJECTID
:
515 case BTRFS_TREE_RELOC_OBJECTID
:
516 printf("TREE_RELOC");
518 case BTRFS_DATA_RELOC_TREE_OBJECTID
:
519 printf("DATA_RELOC_TREE");
521 case BTRFS_EXTENT_CSUM_OBJECTID
:
522 printf("EXTENT_CSUM");
524 case BTRFS_FREE_SPACE_OBJECTID
:
525 printf("FREE_SPACE");
527 case BTRFS_FREE_INO_OBJECTID
:
529 case BTRFS_QUOTA_TREE_OBJECTID
:
530 printf("QUOTA_TREE");
532 case BTRFS_MULTIPLE_OBJECTIDS
:
535 case BTRFS_FIRST_CHUNK_TREE_OBJECTID
:
536 if (type
== BTRFS_CHUNK_ITEM_KEY
) {
537 printf("FIRST_CHUNK_TREE");
542 printf("%llu", (unsigned long long)objectid
);
546 void btrfs_print_key(struct btrfs_disk_key
*disk_key
)
548 u64 objectid
= btrfs_disk_key_objectid(disk_key
);
549 u8 type
= btrfs_disk_key_type(disk_key
);
550 u64 offset
= btrfs_disk_key_offset(disk_key
);
553 print_objectid(objectid
, type
);
555 print_key_type(objectid
, type
);
557 case BTRFS_QGROUP_RELATION_KEY
:
558 case BTRFS_QGROUP_INFO_KEY
:
559 case BTRFS_QGROUP_LIMIT_KEY
:
560 printf(" %llu/%llu)", (unsigned long long)(offset
>> 48),
561 (unsigned long long)(offset
& ((1ll << 48) - 1)));
564 printf(" %llu)", (unsigned long long)offset
);
569 void btrfs_print_leaf(struct btrfs_root
*root
, struct extent_buffer
*l
)
573 struct btrfs_item
*item
;
574 struct btrfs_dir_item
*di
;
575 struct btrfs_inode_item
*ii
;
576 struct btrfs_file_extent_item
*fi
;
577 struct btrfs_block_group_item
*bi
;
578 struct btrfs_extent_data_ref
*dref
;
579 struct btrfs_shared_data_ref
*sref
;
580 struct btrfs_inode_ref
*iref
;
581 struct btrfs_dev_extent
*dev_extent
;
582 struct btrfs_disk_key disk_key
;
583 struct btrfs_block_group_item bg_item
;
584 struct btrfs_dir_log_item
*dlog
;
585 struct btrfs_qgroup_info_item
*qg_info
;
586 struct btrfs_qgroup_limit_item
*qg_limit
;
587 struct btrfs_qgroup_status_item
*qg_status
;
588 u32 nr
= btrfs_header_nritems(l
);
592 printf("leaf %llu items %d free space %d generation %llu owner %llu\n",
593 (unsigned long long)btrfs_header_bytenr(l
), nr
,
594 btrfs_leaf_free_space(root
, l
),
595 (unsigned long long)btrfs_header_generation(l
),
596 (unsigned long long)btrfs_header_owner(l
));
599 for (i
= 0 ; i
< nr
; i
++) {
600 item
= btrfs_item_nr(l
, i
);
601 btrfs_item_key(l
, &disk_key
, i
);
602 objectid
= btrfs_disk_key_objectid(&disk_key
);
603 type
= btrfs_disk_key_type(&disk_key
);
604 printf("\titem %d ", i
);
605 btrfs_print_key(&disk_key
);
606 printf(" itemoff %d itemsize %d\n",
607 btrfs_item_offset(l
, item
),
608 btrfs_item_size(l
, item
));
610 if (type
== 0 && objectid
== BTRFS_FREE_SPACE_OBJECTID
)
611 print_free_space_header(l
, i
);
614 case BTRFS_INODE_ITEM_KEY
:
615 ii
= btrfs_item_ptr(l
, i
, struct btrfs_inode_item
);
616 printf("\t\tinode generation %llu transid %llu size %llu block group %llu mode %o links %u\n",
617 (unsigned long long)btrfs_inode_generation(l
, ii
),
618 (unsigned long long)btrfs_inode_transid(l
, ii
),
619 (unsigned long long)btrfs_inode_size(l
, ii
),
620 (unsigned long long)btrfs_inode_block_group(l
,ii
),
621 btrfs_inode_mode(l
, ii
),
622 btrfs_inode_nlink(l
, ii
));
624 case BTRFS_INODE_REF_KEY
:
625 iref
= btrfs_item_ptr(l
, i
, struct btrfs_inode_ref
);
626 print_inode_ref_item(l
, item
, iref
);
628 case BTRFS_DIR_ITEM_KEY
:
629 case BTRFS_DIR_INDEX_KEY
:
630 case BTRFS_XATTR_ITEM_KEY
:
631 di
= btrfs_item_ptr(l
, i
, struct btrfs_dir_item
);
632 print_dir_item(l
, item
, di
);
634 case BTRFS_DIR_LOG_INDEX_KEY
:
635 case BTRFS_DIR_LOG_ITEM_KEY
:
636 dlog
= btrfs_item_ptr(l
, i
, struct btrfs_dir_log_item
);
637 printf("\t\tdir log end %Lu\n",
638 (unsigned long long)btrfs_dir_log_end(l
, dlog
));
640 case BTRFS_ORPHAN_ITEM_KEY
:
641 printf("\t\torphan item\n");
643 case BTRFS_ROOT_ITEM_KEY
:
646 case BTRFS_ROOT_REF_KEY
:
647 print_root_ref(l
, i
, "ref");
649 case BTRFS_ROOT_BACKREF_KEY
:
650 print_root_ref(l
, i
, "backref");
652 case BTRFS_EXTENT_ITEM_KEY
:
653 print_extent_item(l
, i
);
655 case BTRFS_TREE_BLOCK_REF_KEY
:
656 printf("\t\ttree block backref\n");
658 case BTRFS_SHARED_BLOCK_REF_KEY
:
659 printf("\t\tshared block backref\n");
661 case BTRFS_EXTENT_DATA_REF_KEY
:
662 dref
= btrfs_item_ptr(l
, i
, struct btrfs_extent_data_ref
);
663 printf("\t\textent data backref root %llu "
664 "objectid %llu offset %llu count %u\n",
665 (unsigned long long)btrfs_extent_data_ref_root(l
, dref
),
666 (unsigned long long)btrfs_extent_data_ref_objectid(l
, dref
),
667 (unsigned long long)btrfs_extent_data_ref_offset(l
, dref
),
668 btrfs_extent_data_ref_count(l
, dref
));
670 case BTRFS_SHARED_DATA_REF_KEY
:
671 sref
= btrfs_item_ptr(l
, i
, struct btrfs_shared_data_ref
);
672 printf("\t\tshared data backref count %u\n",
673 btrfs_shared_data_ref_count(l
, sref
));
675 case BTRFS_EXTENT_REF_V0_KEY
:
676 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
677 print_extent_ref_v0(l
, i
);
682 case BTRFS_CSUM_ITEM_KEY
:
683 printf("\t\tcsum item\n");
685 case BTRFS_EXTENT_CSUM_KEY
:
686 printf("\t\textent csum item\n");
688 case BTRFS_EXTENT_DATA_KEY
:
689 fi
= btrfs_item_ptr(l
, i
,
690 struct btrfs_file_extent_item
);
691 print_file_extent_item(l
, item
, fi
);
693 case BTRFS_BLOCK_GROUP_ITEM_KEY
:
694 bi
= btrfs_item_ptr(l
, i
,
695 struct btrfs_block_group_item
);
696 read_extent_buffer(l
, &bg_item
, (unsigned long)bi
,
698 printf("\t\tblock group used %llu chunk_objectid %llu flags %llu\n",
699 (unsigned long long)btrfs_block_group_used(&bg_item
),
700 (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item
),
701 (unsigned long long)btrfs_block_group_flags(&bg_item
));
703 case BTRFS_CHUNK_ITEM_KEY
:
704 print_chunk(l
, btrfs_item_ptr(l
, i
, struct btrfs_chunk
));
706 case BTRFS_DEV_ITEM_KEY
:
707 print_dev_item(l
, btrfs_item_ptr(l
, i
,
708 struct btrfs_dev_item
));
710 case BTRFS_DEV_EXTENT_KEY
:
711 dev_extent
= btrfs_item_ptr(l
, i
,
712 struct btrfs_dev_extent
);
713 printf("\t\tdev extent chunk_tree %llu\n"
714 "\t\tchunk objectid %llu chunk offset %llu "
717 btrfs_dev_extent_chunk_tree(l
, dev_extent
),
719 btrfs_dev_extent_chunk_objectid(l
, dev_extent
),
721 btrfs_dev_extent_chunk_offset(l
, dev_extent
),
723 btrfs_dev_extent_length(l
, dev_extent
));
725 case BTRFS_QGROUP_STATUS_KEY
:
726 qg_status
= btrfs_item_ptr(l
, i
,
727 struct btrfs_qgroup_status_item
);
728 printf("\t\tversion %llu generation %llu flags %#llx "
731 btrfs_qgroup_status_version(l
, qg_status
),
733 btrfs_qgroup_status_generation(l
, qg_status
),
735 btrfs_qgroup_status_flags(l
, qg_status
),
737 btrfs_qgroup_status_scan(l
, qg_status
));
739 case BTRFS_QGROUP_RELATION_KEY
:
741 case BTRFS_QGROUP_INFO_KEY
:
742 qg_info
= btrfs_item_ptr(l
, i
,
743 struct btrfs_qgroup_info_item
);
744 printf("\t\tgeneration %llu\n"
745 "\t\treferenced %lld referenced compressed %lld\n"
746 "\t\texclusive %lld exclusive compressed %lld\n",
748 btrfs_qgroup_info_generation(l
, qg_info
),
750 btrfs_qgroup_info_referenced(l
, qg_info
),
752 btrfs_qgroup_info_referenced_compressed(l
,
755 btrfs_qgroup_info_exclusive(l
, qg_info
),
757 btrfs_qgroup_info_exclusive_compressed(l
,
760 case BTRFS_QGROUP_LIMIT_KEY
:
761 qg_limit
= btrfs_item_ptr(l
, i
,
762 struct btrfs_qgroup_limit_item
);
763 printf("\t\tflags %llx\n"
764 "\t\tmax referenced %lld max exclusive %lld\n"
765 "\t\trsv referenced %lld rsv exclusive %lld\n",
767 btrfs_qgroup_limit_flags(l
, qg_limit
),
769 btrfs_qgroup_limit_max_referenced(l
, qg_limit
),
771 btrfs_qgroup_limit_max_exclusive(l
, qg_limit
),
773 btrfs_qgroup_limit_rsv_referenced(l
, qg_limit
),
775 btrfs_qgroup_limit_rsv_exclusive(l
, qg_limit
));
777 case BTRFS_STRING_ITEM_KEY
:
778 /* dirty, but it's simple */
779 str
= l
->data
+ btrfs_item_ptr_offset(l
, i
);
780 printf("\t\titem data %.*s\n", btrfs_item_size(l
, item
), str
);
787 void btrfs_print_tree(struct btrfs_root
*root
, struct extent_buffer
*eb
, int follow
)
792 struct btrfs_disk_key disk_key
;
793 struct btrfs_key key
;
797 nr
= btrfs_header_nritems(eb
);
798 if (btrfs_is_leaf(eb
)) {
799 btrfs_print_leaf(root
, eb
);
802 printf("node %llu level %d items %d free %u generation %llu owner %llu\n",
803 (unsigned long long)eb
->start
,
804 btrfs_header_level(eb
), nr
,
805 (u32
)BTRFS_NODEPTRS_PER_BLOCK(root
) - nr
,
806 (unsigned long long)btrfs_header_generation(eb
),
807 (unsigned long long)btrfs_header_owner(eb
));
810 size
= btrfs_level_size(root
, btrfs_header_level(eb
) - 1);
811 for (i
= 0; i
< nr
; i
++) {
812 u64 blocknr
= btrfs_node_blockptr(eb
, i
);
813 btrfs_node_key(eb
, &disk_key
, i
);
814 btrfs_disk_key_to_cpu(&key
, &disk_key
);
816 btrfs_print_key(&disk_key
);
817 printf(" block %llu (%llu) gen %llu\n",
818 (unsigned long long)blocknr
,
819 (unsigned long long)blocknr
/ size
,
820 (unsigned long long)btrfs_node_ptr_generation(eb
, i
));
826 for (i
= 0; i
< nr
; i
++) {
827 struct extent_buffer
*next
= read_tree_block(root
,
828 btrfs_node_blockptr(eb
, i
),
830 btrfs_node_ptr_generation(eb
, i
));
832 fprintf(stderr
, "failed to read %llu in tree %llu\n",
833 (unsigned long long)btrfs_node_blockptr(eb
, i
),
834 (unsigned long long)btrfs_header_owner(eb
));
837 if (btrfs_is_leaf(next
) &&
838 btrfs_header_level(eb
) != 1)
840 if (btrfs_header_level(next
) !=
841 btrfs_header_level(eb
) - 1)
843 btrfs_print_tree(root
, next
, 1);
844 free_extent_buffer(next
);