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 "kerncompat.h"
22 #include "radix-tree.h"
26 static int print_dir_item(struct btrfs_item *item,
27 struct btrfs_dir_item *di)
32 total = btrfs_item_size(item);
34 printf("\t\tdir index %llu flags %u type %u\n",
35 (unsigned long long)btrfs_disk_key_objectid(&di->location),
38 printf("\t\tname %.*s\n",
39 btrfs_dir_name_len(di),(char *)(di + 1));
40 len = sizeof(*di) + btrfs_dir_name_len(di);
41 di = (struct btrfs_dir_item *)((char *)di + len);
46 void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
49 u32 nr = btrfs_header_nritems(&l->header);
50 struct btrfs_item *item;
51 struct btrfs_extent_item *ei;
52 struct btrfs_root_item *ri;
53 struct btrfs_dir_item *di;
54 struct btrfs_inode_item *ii;
55 struct btrfs_file_extent_item *fi;
56 struct btrfs_csum_item *ci;
57 struct btrfs_block_group_item *bi;
60 printf("leaf %llu ptrs %d free space %d generation %llu owner %llu\n",
61 (unsigned long long)btrfs_header_blocknr(&l->header), nr,
62 btrfs_leaf_free_space(root, l),
63 (unsigned long long)btrfs_header_generation(&l->header),
64 (unsigned long long)btrfs_header_owner(&l->header));
66 for (i = 0 ; i < nr ; i++) {
68 type = btrfs_disk_key_type(&item->key);
69 printf("\titem %d key (%llu %x %llu) itemoff %d itemsize %d\n",
71 (unsigned long long)btrfs_disk_key_objectid(&item->key),
72 btrfs_disk_key_flags(&item->key),
73 (unsigned long long)btrfs_disk_key_offset(&item->key),
74 btrfs_item_offset(item),
75 btrfs_item_size(item));
77 case BTRFS_INODE_ITEM_KEY:
78 ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
79 printf("\t\tinode generation %llu size %llu block group %llu mode %o links %u\n",
80 (unsigned long long)btrfs_inode_generation(ii),
81 (unsigned long long)btrfs_inode_size(ii),
82 (unsigned long long)btrfs_inode_block_group(ii),
84 btrfs_inode_nlink(ii));
86 case BTRFS_DIR_ITEM_KEY:
87 di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
88 print_dir_item(l->items + i, di);
90 case BTRFS_DIR_INDEX_KEY:
91 di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
92 print_dir_item(l->items + i, di);
94 case BTRFS_ROOT_ITEM_KEY:
95 ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
96 printf("\t\troot data blocknr %llu dirid %llu refs %u\n",
97 (unsigned long long)btrfs_root_blocknr(ri),
98 (unsigned long long)btrfs_root_dirid(ri),
100 if (1 || btrfs_root_refs(ri) == 0) {
101 struct btrfs_key drop_key;
102 btrfs_disk_key_to_cpu(&drop_key,
104 printf("\t\tdrop key %Lu %x %Lu level %d\n",
105 (unsigned long long)drop_key.objectid,
107 (unsigned long long)drop_key.offset,
111 case BTRFS_EXTENT_ITEM_KEY:
112 ei = btrfs_item_ptr(l, i, struct btrfs_extent_item);
113 printf("\t\textent data refs %u owner %llu\n",
114 btrfs_extent_refs(ei),
115 (unsigned long long)btrfs_extent_owner(ei));
117 case BTRFS_CSUM_ITEM_KEY:
118 ci = btrfs_item_ptr(l, i,
119 struct btrfs_csum_item);
120 printf("\t\tcsum item\n");
122 case BTRFS_EXTENT_DATA_KEY:
123 fi = btrfs_item_ptr(l, i,
124 struct btrfs_file_extent_item);
125 if (btrfs_file_extent_type(fi) ==
126 BTRFS_FILE_EXTENT_INLINE) {
127 printf("\t\tinline extent data size %u\n",
128 btrfs_file_extent_inline_len(l->items + i));
131 printf("\t\textent data disk block %llu nr %llu\n",
132 (unsigned long long)btrfs_file_extent_disk_blocknr(fi),
133 (unsigned long long)btrfs_file_extent_disk_num_blocks(fi));
134 printf("\t\textent data offset %llu nr %llu\n",
135 (unsigned long long)btrfs_file_extent_offset(fi),
136 (unsigned long long)btrfs_file_extent_num_blocks(fi));
138 case BTRFS_BLOCK_GROUP_ITEM_KEY:
139 bi = btrfs_item_ptr(l, i,
140 struct btrfs_block_group_item);
141 printf("\t\tblock group used %llu flags %x\n",
142 (unsigned long long)btrfs_block_group_used(bi),
145 case BTRFS_STRING_ITEM_KEY:
146 printf("\t\titem data %.*s\n", btrfs_item_size(item),
147 btrfs_leaf_data(l) + btrfs_item_offset(item));
153 void btrfs_print_tree(struct btrfs_root *root, struct btrfs_buffer *t)
157 struct btrfs_node *c;
162 nr = btrfs_header_nritems(&c->header);
163 if (btrfs_is_leaf(c)) {
164 btrfs_print_leaf(root, (struct btrfs_leaf *)c);
167 printf("node %llu level %d ptrs %d free %u generation %llu owner %llu\n",
168 (unsigned long long)t->blocknr,
169 btrfs_header_level(&c->header), nr,
170 (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr,
171 (unsigned long long)btrfs_header_generation(&c->header),
172 (unsigned long long)btrfs_header_owner(&c->header));
174 for (i = 0; i < nr; i++) {
175 printf("\tkey %d (%llu %x %llu) block %llu\n",
177 (unsigned long long)c->ptrs[i].key.objectid,
178 c->ptrs[i].key.flags,
179 (unsigned long long)c->ptrs[i].key.offset,
180 (unsigned long long)btrfs_node_blockptr(c, i));
183 for (i = 0; i < nr; i++) {
184 struct btrfs_buffer *next_buf = read_tree_block(root,
185 btrfs_node_blockptr(c, i));
186 struct btrfs_node *next = &next_buf->node;
187 if (btrfs_is_leaf(next) &&
188 btrfs_header_level(&c->header) != 1)
190 if (btrfs_header_level(&next->header) !=
191 btrfs_header_level(&c->header) - 1)
193 btrfs_print_tree(root, next_buf);
194 btrfs_block_release(root, next_buf);