]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - fs/btrfs/print-tree.c
3 #include "kerncompat.h"
4 #include "radix-tree.h"
8 void btrfs_print_leaf(struct btrfs_root
*root
, struct btrfs_leaf
*l
)
11 u32 nr
= btrfs_header_nritems(&l
->header
);
12 struct btrfs_item
*item
;
13 struct btrfs_extent_item
*ei
;
14 struct btrfs_root_item
*ri
;
15 struct btrfs_dir_item
*di
;
16 struct btrfs_inode_map_item
*mi
;
19 printf("leaf %Lu total ptrs %d free space %d\n",
20 btrfs_header_blocknr(&l
->header
), nr
,
21 btrfs_leaf_free_space(root
, l
));
23 for (i
= 0 ; i
< nr
; i
++) {
25 type
= btrfs_disk_key_type(&item
->key
);
26 printf("\titem %d key (%Lu %u %Lu) itemoff %d itemsize %d\n",
28 btrfs_disk_key_objectid(&item
->key
),
29 btrfs_disk_key_flags(&item
->key
),
30 btrfs_disk_key_offset(&item
->key
),
31 btrfs_item_offset(item
),
32 btrfs_item_size(item
));
34 case BTRFS_INODE_ITEM_KEY
:
36 case BTRFS_DIR_ITEM_KEY
:
37 di
= btrfs_item_ptr(l
, i
, struct btrfs_dir_item
);
38 printf("\t\tdir oid %Lu flags %u type %u\n",
39 btrfs_dir_objectid(di
),
42 printf("\t\tname %.*s\n",
43 btrfs_dir_name_len(di
),(char *)(di
+ 1));
45 case BTRFS_ROOT_ITEM_KEY
:
46 ri
= btrfs_item_ptr(l
, i
, struct btrfs_root_item
);
47 printf("\t\troot data blocknr %Lu refs %u\n",
48 btrfs_root_blocknr(ri
), btrfs_root_refs(ri
));
50 case BTRFS_EXTENT_ITEM_KEY
:
51 ei
= btrfs_item_ptr(l
, i
, struct btrfs_extent_item
);
52 printf("\t\textent data refs %u owner %Lu\n",
53 btrfs_extent_refs(ei
), btrfs_extent_owner(ei
));
55 case BTRFS_INODE_MAP_ITEM_KEY
:
56 mi
= btrfs_item_ptr(l
, i
, struct btrfs_inode_map_item
);
57 printf("\t\tinode map key %Lu %u %Lu\n",
58 btrfs_disk_key_objectid(&mi
->key
),
59 btrfs_disk_key_flags(&mi
->key
),
60 btrfs_disk_key_offset(&mi
->key
));
62 case BTRFS_STRING_ITEM_KEY
:
63 printf("\t\titem data %.*s\n", btrfs_item_size(item
),
64 btrfs_leaf_data(l
) + btrfs_item_offset(item
));
70 void btrfs_print_tree(struct btrfs_root
*root
, struct btrfs_buffer
*t
)
79 nr
= btrfs_header_nritems(&c
->header
);
80 if (btrfs_is_leaf(c
)) {
81 btrfs_print_leaf(root
, (struct btrfs_leaf
*)c
);
84 printf("node %Lu level %d total ptrs %d free spc %u\n", t
->blocknr
,
85 btrfs_header_level(&c
->header
), nr
,
86 (u32
)BTRFS_NODEPTRS_PER_BLOCK(root
) - nr
);
88 for (i
= 0; i
< nr
; i
++) {
89 printf("\tkey %d (%Lu %u %Lu) block %Lu\n",
91 c
->ptrs
[i
].key
.objectid
,
93 c
->ptrs
[i
].key
.offset
,
94 btrfs_node_blockptr(c
, i
));
97 for (i
= 0; i
< nr
; i
++) {
98 struct btrfs_buffer
*next_buf
= read_tree_block(root
,
99 btrfs_node_blockptr(c
, i
));
100 struct btrfs_node
*next
= &next_buf
->node
;
101 if (btrfs_is_leaf(next
) &&
102 btrfs_header_level(&c
->header
) != 1)
104 if (btrfs_header_level(&next
->header
) !=
105 btrfs_header_level(&c
->header
) - 1)
107 btrfs_print_tree(root
, next_buf
);
108 btrfs_block_release(root
, next_buf
);