Commit | Line | Data |
---|---|---|
2e635a27 | 1 | #include <linux/module.h> |
5de08d7d CM |
2 | #include "ctree.h" |
3 | #include "disk-io.h" | |
35b7e476 | 4 | #include "print-tree.h" |
5de08d7d | 5 | |
123abc88 | 6 | void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l) |
5de08d7d CM |
7 | { |
8 | int i; | |
7518a238 | 9 | u32 nr = btrfs_header_nritems(&l->header); |
0783fcfc | 10 | struct btrfs_item *item; |
234b63a0 | 11 | struct btrfs_extent_item *ei; |
3768f368 | 12 | struct btrfs_root_item *ri; |
1d4f6404 | 13 | struct btrfs_dir_item *di; |
293ffd5f | 14 | struct btrfs_inode_item *ii; |
9078a3e1 | 15 | struct btrfs_block_group_item *bi; |
62e2749e | 16 | u32 type; |
1d4f6404 | 17 | |
2e635a27 | 18 | printk("leaf %Lu total ptrs %d free space %d\n", |
123abc88 CM |
19 | btrfs_header_blocknr(&l->header), nr, |
20 | btrfs_leaf_free_space(root, l)); | |
5de08d7d CM |
21 | for (i = 0 ; i < nr ; i++) { |
22 | item = l->items + i; | |
62e2749e | 23 | type = btrfs_disk_key_type(&item->key); |
a429e513 | 24 | printk("\titem %d key (%Lu %x %Lu) itemoff %d itemsize %d\n", |
5de08d7d | 25 | i, |
62e2749e | 26 | btrfs_disk_key_objectid(&item->key), |
62e2749e | 27 | btrfs_disk_key_flags(&item->key), |
a8a2ee0c | 28 | btrfs_disk_key_offset(&item->key), |
0783fcfc CM |
29 | btrfs_item_offset(item), |
30 | btrfs_item_size(item)); | |
62e2749e CM |
31 | switch (type) { |
32 | case BTRFS_INODE_ITEM_KEY: | |
293ffd5f | 33 | ii = btrfs_item_ptr(l, i, struct btrfs_inode_item); |
2e635a27 | 34 | printk("\t\tinode generation %Lu size %Lu mode %o\n", |
293ffd5f | 35 | btrfs_inode_generation(ii), |
2e635a27 CM |
36 | btrfs_inode_size(ii), |
37 | btrfs_inode_mode(ii)); | |
62e2749e CM |
38 | break; |
39 | case BTRFS_DIR_ITEM_KEY: | |
1d4f6404 | 40 | di = btrfs_item_ptr(l, i, struct btrfs_dir_item); |
2e635a27 | 41 | printk("\t\tdir oid %Lu flags %u type %u\n", |
d6e4a428 | 42 | btrfs_disk_key_objectid(&di->location), |
1d4f6404 CM |
43 | btrfs_dir_flags(di), |
44 | btrfs_dir_type(di)); | |
2e635a27 | 45 | printk("\t\tname %.*s\n", |
9f5fae2f | 46 | btrfs_dir_name_len(di),(char *)(di + 1)); |
62e2749e CM |
47 | break; |
48 | case BTRFS_ROOT_ITEM_KEY: | |
49 | ri = btrfs_item_ptr(l, i, struct btrfs_root_item); | |
2e635a27 | 50 | printk("\t\troot data blocknr %Lu refs %u\n", |
62e2749e CM |
51 | btrfs_root_blocknr(ri), btrfs_root_refs(ri)); |
52 | break; | |
53 | case BTRFS_EXTENT_ITEM_KEY: | |
54 | ei = btrfs_item_ptr(l, i, struct btrfs_extent_item); | |
d0dbc624 CM |
55 | printk("\t\textent data refs %u\n", |
56 | btrfs_extent_refs(ei)); | |
62e2749e | 57 | break; |
9078a3e1 CM |
58 | case BTRFS_BLOCK_GROUP_ITEM_KEY: |
59 | bi = btrfs_item_ptr(l, i, | |
60 | struct btrfs_block_group_item); | |
61 | printk("\t\tblock group used %Lu\n", | |
62 | btrfs_block_group_used(bi)); | |
63 | break; | |
62e2749e | 64 | case BTRFS_STRING_ITEM_KEY: |
2e635a27 | 65 | printk("\t\titem data %.*s\n", btrfs_item_size(item), |
62e2749e CM |
66 | btrfs_leaf_data(l) + btrfs_item_offset(item)); |
67 | break; | |
68 | }; | |
5de08d7d CM |
69 | } |
70 | } | |
e20d96d6 CM |
71 | |
72 | void btrfs_print_tree(struct btrfs_root *root, struct buffer_head *t) | |
5de08d7d CM |
73 | { |
74 | int i; | |
7518a238 | 75 | u32 nr; |
234b63a0 | 76 | struct btrfs_node *c; |
5de08d7d CM |
77 | |
78 | if (!t) | |
79 | return; | |
e20d96d6 | 80 | c = btrfs_buffer_node(t); |
7518a238 CM |
81 | nr = btrfs_header_nritems(&c->header); |
82 | if (btrfs_is_leaf(c)) { | |
123abc88 | 83 | btrfs_print_leaf(root, (struct btrfs_leaf *)c); |
5de08d7d CM |
84 | return; |
85 | } | |
e20d96d6 CM |
86 | printk("node %Lu level %d total ptrs %d free spc %u\n", |
87 | btrfs_header_blocknr(&c->header), | |
88 | btrfs_header_level(&c->header), nr, | |
89 | (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr); | |
5de08d7d | 90 | for (i = 0; i < nr; i++) { |
2e635a27 | 91 | printk("\tkey %d (%Lu %u %Lu) block %Lu\n", |
5de08d7d | 92 | i, |
a1516c89 | 93 | c->ptrs[i].key.objectid, |
a1516c89 | 94 | c->ptrs[i].key.flags, |
a8a2ee0c | 95 | c->ptrs[i].key.offset, |
a1516c89 | 96 | btrfs_node_blockptr(c, i)); |
5de08d7d CM |
97 | } |
98 | for (i = 0; i < nr; i++) { | |
e20d96d6 | 99 | struct buffer_head *next_buf = read_tree_block(root, |
1d4f8a0c | 100 | btrfs_node_blockptr(c, i)); |
e20d96d6 | 101 | struct btrfs_node *next = btrfs_buffer_node(next_buf); |
7518a238 CM |
102 | if (btrfs_is_leaf(next) && |
103 | btrfs_header_level(&c->header) != 1) | |
5de08d7d | 104 | BUG(); |
7518a238 CM |
105 | if (btrfs_header_level(&next->header) != |
106 | btrfs_header_level(&c->header) - 1) | |
5de08d7d | 107 | BUG(); |
234b63a0 CM |
108 | btrfs_print_tree(root, next_buf); |
109 | btrfs_block_release(root, next_buf); | |
5de08d7d | 110 | } |
5de08d7d CM |
111 | } |
112 |