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"
27 #include "transaction.h"
29 int main(int ac
, char **av
) {
30 struct btrfs_super_block super
;
31 struct btrfs_root
*root
;
32 struct btrfs_path path
;
34 struct btrfs_root_item
*ri
;
35 struct btrfs_leaf
*leaf
;
36 struct btrfs_key found_key
;
42 fprintf(stderr
, "usage: %s device\n", av
[0]);
46 root
= open_ctree(av
[1], &super
);
48 fprintf(stderr
, "unable to open %s\n", av
[1]);
51 printf("root tree\n");
52 btrfs_print_tree(root
->fs_info
->tree_root
,
53 root
->fs_info
->tree_root
->node
);
54 btrfs_init_path(&path
);
57 btrfs_set_key_type(&key
, BTRFS_ROOT_ITEM_KEY
);
58 ret
= btrfs_search_slot(NULL
, root
->fs_info
->tree_root
,
62 leaf
= &path
.nodes
[0]->leaf
;
64 if (slot
>= btrfs_header_nritems(&leaf
->header
)) {
65 ret
= btrfs_next_leaf(root
, &path
);
68 leaf
= &path
.nodes
[0]->leaf
;
71 btrfs_disk_key_to_cpu(&found_key
,
72 &leaf
->items
[path
.slots
[0]].key
);
73 if (btrfs_key_type(&found_key
) == BTRFS_ROOT_ITEM_KEY
) {
74 struct btrfs_buffer
*buf
;
75 ri
= btrfs_item_ptr(leaf
, path
.slots
[0],
76 struct btrfs_root_item
);
77 buf
= read_tree_block(root
->fs_info
->tree_root
,
78 btrfs_root_bytenr(ri
),
80 switch(found_key
.objectid
) {
81 case BTRFS_ROOT_TREE_OBJECTID
:
84 case BTRFS_EXTENT_TREE_OBJECTID
:
85 printf("extent tree ");
88 printf("tree %llu %u %llu\n",
89 (unsigned long long)found_key
.objectid
,
91 (unsigned long long)found_key
.offset
);
92 btrfs_print_tree(root
, buf
);
96 btrfs_release_path(root
, &path
);
97 printf("total bytes %llu\n",
98 (unsigned long long)btrfs_super_total_bytes(&super
));
99 printf("bytes used %llu\n",
100 (unsigned long long)btrfs_super_bytes_used(&super
));
102 uuid_unparse(super
.fsid
, uuidbuf
);
103 printf("uuid %s\n", uuidbuf
);