print-tree.c (8f8ae8e213300378d2506b68d581c80d9dfd2faf) print-tree.c (c1c9ff7c94e83fae89a742df74db51156869bad5)
1/*
2 * Copyright (C) 2007 Oracle. All rights reserved.
3 *
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.
7 *
8 * This program is distributed in the hope that it will be useful,

--- 12 unchanged lines hidden (view full) ---

21#include "print-tree.h"
22
23static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
24{
25 int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
26 int i;
27 printk(KERN_INFO "\t\tchunk length %llu owner %llu type %llu "
28 "num_stripes %d\n",
1/*
2 * Copyright (C) 2007 Oracle. All rights reserved.
3 *
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.
7 *
8 * This program is distributed in the hope that it will be useful,

--- 12 unchanged lines hidden (view full) ---

21#include "print-tree.h"
22
23static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
24{
25 int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
26 int i;
27 printk(KERN_INFO "\t\tchunk length %llu owner %llu type %llu "
28 "num_stripes %d\n",
29 (unsigned long long)btrfs_chunk_length(eb, chunk),
30 (unsigned long long)btrfs_chunk_owner(eb, chunk),
31 (unsigned long long)btrfs_chunk_type(eb, chunk),
32 num_stripes);
29 btrfs_chunk_length(eb, chunk), btrfs_chunk_owner(eb, chunk),
30 btrfs_chunk_type(eb, chunk), num_stripes);
33 for (i = 0 ; i < num_stripes ; i++) {
34 printk(KERN_INFO "\t\t\tstripe %d devid %llu offset %llu\n", i,
31 for (i = 0 ; i < num_stripes ; i++) {
32 printk(KERN_INFO "\t\t\tstripe %d devid %llu offset %llu\n", i,
35 (unsigned long long)btrfs_stripe_devid_nr(eb, chunk, i),
36 (unsigned long long)btrfs_stripe_offset_nr(eb, chunk, i));
33 btrfs_stripe_devid_nr(eb, chunk, i),
34 btrfs_stripe_offset_nr(eb, chunk, i));
37 }
38}
39static void print_dev_item(struct extent_buffer *eb,
40 struct btrfs_dev_item *dev_item)
41{
42 printk(KERN_INFO "\t\tdev item devid %llu "
43 "total_bytes %llu bytes used %llu\n",
35 }
36}
37static void print_dev_item(struct extent_buffer *eb,
38 struct btrfs_dev_item *dev_item)
39{
40 printk(KERN_INFO "\t\tdev item devid %llu "
41 "total_bytes %llu bytes used %llu\n",
44 (unsigned long long)btrfs_device_id(eb, dev_item),
45 (unsigned long long)btrfs_device_total_bytes(eb, dev_item),
46 (unsigned long long)btrfs_device_bytes_used(eb, dev_item));
42 btrfs_device_id(eb, dev_item),
43 btrfs_device_total_bytes(eb, dev_item),
44 btrfs_device_bytes_used(eb, dev_item));
47}
48static void print_extent_data_ref(struct extent_buffer *eb,
49 struct btrfs_extent_data_ref *ref)
50{
51 printk(KERN_INFO "\t\textent data backref root %llu "
52 "objectid %llu offset %llu count %u\n",
45}
46static void print_extent_data_ref(struct extent_buffer *eb,
47 struct btrfs_extent_data_ref *ref)
48{
49 printk(KERN_INFO "\t\textent data backref root %llu "
50 "objectid %llu offset %llu count %u\n",
53 (unsigned long long)btrfs_extent_data_ref_root(eb, ref),
54 (unsigned long long)btrfs_extent_data_ref_objectid(eb, ref),
55 (unsigned long long)btrfs_extent_data_ref_offset(eb, ref),
51 btrfs_extent_data_ref_root(eb, ref),
52 btrfs_extent_data_ref_objectid(eb, ref),
53 btrfs_extent_data_ref_offset(eb, ref),
56 btrfs_extent_data_ref_count(eb, ref));
57}
58
59static void print_extent_item(struct extent_buffer *eb, int slot)
60{
61 struct btrfs_extent_item *ei;
62 struct btrfs_extent_inline_ref *iref;
63 struct btrfs_extent_data_ref *dref;

--- 18 unchanged lines hidden (view full) ---

82 BUG();
83#endif
84 }
85
86 ei = btrfs_item_ptr(eb, slot, struct btrfs_extent_item);
87 flags = btrfs_extent_flags(eb, ei);
88
89 printk(KERN_INFO "\t\textent refs %llu gen %llu flags %llu\n",
54 btrfs_extent_data_ref_count(eb, ref));
55}
56
57static void print_extent_item(struct extent_buffer *eb, int slot)
58{
59 struct btrfs_extent_item *ei;
60 struct btrfs_extent_inline_ref *iref;
61 struct btrfs_extent_data_ref *dref;

--- 18 unchanged lines hidden (view full) ---

80 BUG();
81#endif
82 }
83
84 ei = btrfs_item_ptr(eb, slot, struct btrfs_extent_item);
85 flags = btrfs_extent_flags(eb, ei);
86
87 printk(KERN_INFO "\t\textent refs %llu gen %llu flags %llu\n",
90 (unsigned long long)btrfs_extent_refs(eb, ei),
91 (unsigned long long)btrfs_extent_generation(eb, ei),
92 (unsigned long long)flags);
88 btrfs_extent_refs(eb, ei), btrfs_extent_generation(eb, ei),
89 flags);
93
94 if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
95 struct btrfs_tree_block_info *info;
96 info = (struct btrfs_tree_block_info *)(ei + 1);
97 btrfs_tree_block_key(eb, info, &key);
98 printk(KERN_INFO "\t\ttree block key (%llu %u %llu) "
99 "level %d\n",
90
91 if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
92 struct btrfs_tree_block_info *info;
93 info = (struct btrfs_tree_block_info *)(ei + 1);
94 btrfs_tree_block_key(eb, info, &key);
95 printk(KERN_INFO "\t\ttree block key (%llu %u %llu) "
96 "level %d\n",
100 (unsigned long long)btrfs_disk_key_objectid(&key),
101 key.type,
102 (unsigned long long)btrfs_disk_key_offset(&key),
97 btrfs_disk_key_objectid(&key), key.type,
98 btrfs_disk_key_offset(&key),
103 btrfs_tree_block_level(eb, info));
104 iref = (struct btrfs_extent_inline_ref *)(info + 1);
105 } else {
106 iref = (struct btrfs_extent_inline_ref *)(ei + 1);
107 }
108
109 ptr = (unsigned long)iref;
110 end = (unsigned long)ei + item_size;
111 while (ptr < end) {
112 iref = (struct btrfs_extent_inline_ref *)ptr;
113 type = btrfs_extent_inline_ref_type(eb, iref);
114 offset = btrfs_extent_inline_ref_offset(eb, iref);
115 switch (type) {
116 case BTRFS_TREE_BLOCK_REF_KEY:
117 printk(KERN_INFO "\t\ttree block backref "
99 btrfs_tree_block_level(eb, info));
100 iref = (struct btrfs_extent_inline_ref *)(info + 1);
101 } else {
102 iref = (struct btrfs_extent_inline_ref *)(ei + 1);
103 }
104
105 ptr = (unsigned long)iref;
106 end = (unsigned long)ei + item_size;
107 while (ptr < end) {
108 iref = (struct btrfs_extent_inline_ref *)ptr;
109 type = btrfs_extent_inline_ref_type(eb, iref);
110 offset = btrfs_extent_inline_ref_offset(eb, iref);
111 switch (type) {
112 case BTRFS_TREE_BLOCK_REF_KEY:
113 printk(KERN_INFO "\t\ttree block backref "
118 "root %llu\n", (unsigned long long)offset);
114 "root %llu\n", offset);
119 break;
120 case BTRFS_SHARED_BLOCK_REF_KEY:
121 printk(KERN_INFO "\t\tshared block backref "
115 break;
116 case BTRFS_SHARED_BLOCK_REF_KEY:
117 printk(KERN_INFO "\t\tshared block backref "
122 "parent %llu\n", (unsigned long long)offset);
118 "parent %llu\n", offset);
123 break;
124 case BTRFS_EXTENT_DATA_REF_KEY:
125 dref = (struct btrfs_extent_data_ref *)(&iref->offset);
126 print_extent_data_ref(eb, dref);
127 break;
128 case BTRFS_SHARED_DATA_REF_KEY:
129 sref = (struct btrfs_shared_data_ref *)(iref + 1);
130 printk(KERN_INFO "\t\tshared data backref "
131 "parent %llu count %u\n",
119 break;
120 case BTRFS_EXTENT_DATA_REF_KEY:
121 dref = (struct btrfs_extent_data_ref *)(&iref->offset);
122 print_extent_data_ref(eb, dref);
123 break;
124 case BTRFS_SHARED_DATA_REF_KEY:
125 sref = (struct btrfs_shared_data_ref *)(iref + 1);
126 printk(KERN_INFO "\t\tshared data backref "
127 "parent %llu count %u\n",
132 (unsigned long long)offset,
133 btrfs_shared_data_ref_count(eb, sref));
128 offset, btrfs_shared_data_ref_count(eb, sref));
134 break;
135 default:
136 BUG();
137 }
138 ptr += btrfs_extent_inline_ref_size(type);
139 }
140 WARN_ON(ptr > end);
141}
142
143#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
144static void print_extent_ref_v0(struct extent_buffer *eb, int slot)
145{
146 struct btrfs_extent_ref_v0 *ref0;
147
148 ref0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_ref_v0);
149 printk("\t\textent back ref root %llu gen %llu "
150 "owner %llu num_refs %lu\n",
129 break;
130 default:
131 BUG();
132 }
133 ptr += btrfs_extent_inline_ref_size(type);
134 }
135 WARN_ON(ptr > end);
136}
137
138#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
139static void print_extent_ref_v0(struct extent_buffer *eb, int slot)
140{
141 struct btrfs_extent_ref_v0 *ref0;
142
143 ref0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_ref_v0);
144 printk("\t\textent back ref root %llu gen %llu "
145 "owner %llu num_refs %lu\n",
151 (unsigned long long)btrfs_ref_root_v0(eb, ref0),
152 (unsigned long long)btrfs_ref_generation_v0(eb, ref0),
153 (unsigned long long)btrfs_ref_objectid_v0(eb, ref0),
146 btrfs_ref_root_v0(eb, ref0),
147 btrfs_ref_generation_v0(eb, ref0),
148 btrfs_ref_objectid_v0(eb, ref0),
154 (unsigned long)btrfs_ref_count_v0(eb, ref0));
155}
156#endif
157
158static void print_uuid_item(struct extent_buffer *l, unsigned long offset,
159 u32 item_size)
160{
161 if (!IS_ALIGNED(item_size, sizeof(u64))) {

--- 29 unchanged lines hidden (view full) ---

191 struct btrfs_key found_key;
192
193 if (!l)
194 return;
195
196 nr = btrfs_header_nritems(l);
197
198 btrfs_info(root->fs_info, "leaf %llu total ptrs %d free space %d",
149 (unsigned long)btrfs_ref_count_v0(eb, ref0));
150}
151#endif
152
153static void print_uuid_item(struct extent_buffer *l, unsigned long offset,
154 u32 item_size)
155{
156 if (!IS_ALIGNED(item_size, sizeof(u64))) {

--- 29 unchanged lines hidden (view full) ---

186 struct btrfs_key found_key;
187
188 if (!l)
189 return;
190
191 nr = btrfs_header_nritems(l);
192
193 btrfs_info(root->fs_info, "leaf %llu total ptrs %d free space %d",
199 (unsigned long long)btrfs_header_bytenr(l), nr,
200 btrfs_leaf_free_space(root, l));
194 btrfs_header_bytenr(l), nr, btrfs_leaf_free_space(root, l));
201 for (i = 0 ; i < nr ; i++) {
202 item = btrfs_item_nr(l, i);
203 btrfs_item_key_to_cpu(l, &key, i);
204 type = btrfs_key_type(&key);
205 printk(KERN_INFO "\titem %d key (%llu %u %llu) itemoff %d "
206 "itemsize %d\n",
195 for (i = 0 ; i < nr ; i++) {
196 item = btrfs_item_nr(l, i);
197 btrfs_item_key_to_cpu(l, &key, i);
198 type = btrfs_key_type(&key);
199 printk(KERN_INFO "\titem %d key (%llu %u %llu) itemoff %d "
200 "itemsize %d\n",
207 i,
208 (unsigned long long)key.objectid, type,
209 (unsigned long long)key.offset,
201 i, key.objectid, type, key.offset,
210 btrfs_item_offset(l, item), btrfs_item_size(l, item));
211 switch (type) {
212 case BTRFS_INODE_ITEM_KEY:
213 ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
214 printk(KERN_INFO "\t\tinode generation %llu size %llu "
215 "mode %o\n",
202 btrfs_item_offset(l, item), btrfs_item_size(l, item));
203 switch (type) {
204 case BTRFS_INODE_ITEM_KEY:
205 ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
206 printk(KERN_INFO "\t\tinode generation %llu size %llu "
207 "mode %o\n",
216 (unsigned long long)
217 btrfs_inode_generation(l, ii),
208 btrfs_inode_generation(l, ii),
218 (unsigned long long)btrfs_inode_size(l, ii),
209 btrfs_inode_size(l, ii),
219 btrfs_inode_mode(l, ii));
220 break;
221 case BTRFS_DIR_ITEM_KEY:
222 di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
223 btrfs_dir_item_key_to_cpu(l, di, &found_key);
224 printk(KERN_INFO "\t\tdir oid %llu type %u\n",
210 btrfs_inode_mode(l, ii));
211 break;
212 case BTRFS_DIR_ITEM_KEY:
213 di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
214 btrfs_dir_item_key_to_cpu(l, di, &found_key);
215 printk(KERN_INFO "\t\tdir oid %llu type %u\n",
225 (unsigned long long)found_key.objectid,
216 found_key.objectid,
226 btrfs_dir_type(l, di));
227 break;
228 case BTRFS_ROOT_ITEM_KEY:
229 ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
230 printk(KERN_INFO "\t\troot data bytenr %llu refs %u\n",
217 btrfs_dir_type(l, di));
218 break;
219 case BTRFS_ROOT_ITEM_KEY:
220 ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
221 printk(KERN_INFO "\t\troot data bytenr %llu refs %u\n",
231 (unsigned long long)
232 btrfs_disk_root_bytenr(l, ri),
233 btrfs_disk_root_refs(l, ri));
234 break;
235 case BTRFS_EXTENT_ITEM_KEY:
236 print_extent_item(l, i);
237 break;
238 case BTRFS_TREE_BLOCK_REF_KEY:
239 printk(KERN_INFO "\t\ttree block backref\n");

--- 19 unchanged lines hidden (view full) ---

259 BTRFS_FILE_EXTENT_INLINE) {
260 printk(KERN_INFO "\t\tinline extent data "
261 "size %u\n",
262 btrfs_file_extent_inline_len(l, fi));
263 break;
264 }
265 printk(KERN_INFO "\t\textent data disk bytenr %llu "
266 "nr %llu\n",
222 btrfs_disk_root_bytenr(l, ri),
223 btrfs_disk_root_refs(l, ri));
224 break;
225 case BTRFS_EXTENT_ITEM_KEY:
226 print_extent_item(l, i);
227 break;
228 case BTRFS_TREE_BLOCK_REF_KEY:
229 printk(KERN_INFO "\t\ttree block backref\n");

--- 19 unchanged lines hidden (view full) ---

249 BTRFS_FILE_EXTENT_INLINE) {
250 printk(KERN_INFO "\t\tinline extent data "
251 "size %u\n",
252 btrfs_file_extent_inline_len(l, fi));
253 break;
254 }
255 printk(KERN_INFO "\t\textent data disk bytenr %llu "
256 "nr %llu\n",
267 (unsigned long long)
268 btrfs_file_extent_disk_bytenr(l, fi),
257 btrfs_file_extent_disk_bytenr(l, fi),
269 (unsigned long long)
270 btrfs_file_extent_disk_num_bytes(l, fi));
271 printk(KERN_INFO "\t\textent data offset %llu "
272 "nr %llu ram %llu\n",
258 btrfs_file_extent_disk_num_bytes(l, fi));
259 printk(KERN_INFO "\t\textent data offset %llu "
260 "nr %llu ram %llu\n",
273 (unsigned long long)
274 btrfs_file_extent_offset(l, fi),
261 btrfs_file_extent_offset(l, fi),
275 (unsigned long long)
276 btrfs_file_extent_num_bytes(l, fi),
262 btrfs_file_extent_num_bytes(l, fi),
277 (unsigned long long)
278 btrfs_file_extent_ram_bytes(l, fi));
279 break;
280 case BTRFS_EXTENT_REF_V0_KEY:
281#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
282 print_extent_ref_v0(l, i);
283#else
284 BUG();
285#endif
286 break;
287 case BTRFS_BLOCK_GROUP_ITEM_KEY:
288 bi = btrfs_item_ptr(l, i,
289 struct btrfs_block_group_item);
290 printk(KERN_INFO "\t\tblock group used %llu\n",
263 btrfs_file_extent_ram_bytes(l, fi));
264 break;
265 case BTRFS_EXTENT_REF_V0_KEY:
266#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
267 print_extent_ref_v0(l, i);
268#else
269 BUG();
270#endif
271 break;
272 case BTRFS_BLOCK_GROUP_ITEM_KEY:
273 bi = btrfs_item_ptr(l, i,
274 struct btrfs_block_group_item);
275 printk(KERN_INFO "\t\tblock group used %llu\n",
291 (unsigned long long)
292 btrfs_disk_block_group_used(l, bi));
293 break;
294 case BTRFS_CHUNK_ITEM_KEY:
295 print_chunk(l, btrfs_item_ptr(l, i,
296 struct btrfs_chunk));
297 break;
298 case BTRFS_DEV_ITEM_KEY:
299 print_dev_item(l, btrfs_item_ptr(l, i,
300 struct btrfs_dev_item));
301 break;
302 case BTRFS_DEV_EXTENT_KEY:
303 dev_extent = btrfs_item_ptr(l, i,
304 struct btrfs_dev_extent);
305 printk(KERN_INFO "\t\tdev extent chunk_tree %llu\n"
306 "\t\tchunk objectid %llu chunk offset %llu "
307 "length %llu\n",
276 btrfs_disk_block_group_used(l, bi));
277 break;
278 case BTRFS_CHUNK_ITEM_KEY:
279 print_chunk(l, btrfs_item_ptr(l, i,
280 struct btrfs_chunk));
281 break;
282 case BTRFS_DEV_ITEM_KEY:
283 print_dev_item(l, btrfs_item_ptr(l, i,
284 struct btrfs_dev_item));
285 break;
286 case BTRFS_DEV_EXTENT_KEY:
287 dev_extent = btrfs_item_ptr(l, i,
288 struct btrfs_dev_extent);
289 printk(KERN_INFO "\t\tdev extent chunk_tree %llu\n"
290 "\t\tchunk objectid %llu chunk offset %llu "
291 "length %llu\n",
308 (unsigned long long)
309 btrfs_dev_extent_chunk_tree(l, dev_extent),
292 btrfs_dev_extent_chunk_tree(l, dev_extent),
310 (unsigned long long)
311 btrfs_dev_extent_chunk_objectid(l, dev_extent),
293 btrfs_dev_extent_chunk_objectid(l, dev_extent),
312 (unsigned long long)
313 btrfs_dev_extent_chunk_offset(l, dev_extent),
294 btrfs_dev_extent_chunk_offset(l, dev_extent),
314 (unsigned long long)
315 btrfs_dev_extent_length(l, dev_extent));
316 break;
317 case BTRFS_DEV_STATS_KEY:
318 printk(KERN_INFO "\t\tdevice stats\n");
319 break;
320 case BTRFS_DEV_REPLACE_KEY:
321 printk(KERN_INFO "\t\tdev replace\n");
322 break;

--- 16 unchanged lines hidden (view full) ---

339 return;
340 nr = btrfs_header_nritems(c);
341 level = btrfs_header_level(c);
342 if (level == 0) {
343 btrfs_print_leaf(root, c);
344 return;
345 }
346 btrfs_info(root->fs_info, "node %llu level %d total ptrs %d free spc %u",
295 btrfs_dev_extent_length(l, dev_extent));
296 break;
297 case BTRFS_DEV_STATS_KEY:
298 printk(KERN_INFO "\t\tdevice stats\n");
299 break;
300 case BTRFS_DEV_REPLACE_KEY:
301 printk(KERN_INFO "\t\tdev replace\n");
302 break;

--- 16 unchanged lines hidden (view full) ---

319 return;
320 nr = btrfs_header_nritems(c);
321 level = btrfs_header_level(c);
322 if (level == 0) {
323 btrfs_print_leaf(root, c);
324 return;
325 }
326 btrfs_info(root->fs_info, "node %llu level %d total ptrs %d free spc %u",
347 (unsigned long long)btrfs_header_bytenr(c),
348 level, nr, (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr);
327 btrfs_header_bytenr(c), level, nr,
328 (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr);
349 for (i = 0; i < nr; i++) {
350 btrfs_node_key_to_cpu(c, &key, i);
351 printk(KERN_INFO "\tkey %d (%llu %u %llu) block %llu\n",
329 for (i = 0; i < nr; i++) {
330 btrfs_node_key_to_cpu(c, &key, i);
331 printk(KERN_INFO "\tkey %d (%llu %u %llu) block %llu\n",
352 i,
353 (unsigned long long)key.objectid,
354 key.type,
355 (unsigned long long)key.offset,
356 (unsigned long long)btrfs_node_blockptr(c, i));
332 i, key.objectid, key.type, key.offset,
333 btrfs_node_blockptr(c, i));
357 }
358 for (i = 0; i < nr; i++) {
359 struct extent_buffer *next = read_tree_block(root,
360 btrfs_node_blockptr(c, i),
361 btrfs_level_size(root, level - 1),
362 btrfs_node_ptr_generation(c, i));
363 if (btrfs_is_leaf(next) &&
364 level != 1)
365 BUG();
366 if (btrfs_header_level(next) !=
367 level - 1)
368 BUG();
369 btrfs_print_tree(root, next);
370 free_extent_buffer(next);
371 }
372}
334 }
335 for (i = 0; i < nr; i++) {
336 struct extent_buffer *next = read_tree_block(root,
337 btrfs_node_blockptr(c, i),
338 btrfs_level_size(root, level - 1),
339 btrfs_node_ptr_generation(c, i));
340 if (btrfs_is_leaf(next) &&
341 level != 1)
342 BUG();
343 if (btrfs_header_level(next) !=
344 level - 1)
345 BUG();
346 btrfs_print_tree(root, next);
347 free_extent_buffer(next);
348 }
349}