#include "volumes.h"
#include "commands.h"
#include "utils.h"
-#include "cmds-inspect-dump-tree.h"
#include "help.h"
-static void print_extents(struct btrfs_root *root, struct extent_buffer *eb)
+static void print_extents(struct extent_buffer *eb)
{
+ struct btrfs_fs_info *fs_info = eb->fs_info;
struct extent_buffer *next;
int i;
u32 nr;
- u32 size;
if (!eb)
return;
if (btrfs_is_leaf(eb)) {
- btrfs_print_leaf(root, eb);
+ btrfs_print_leaf(eb);
return;
}
- size = root->fs_info->nodesize;
nr = btrfs_header_nritems(eb);
for (i = 0; i < nr; i++) {
- next = read_tree_block(root, btrfs_node_blockptr(eb, i),
- size, btrfs_node_ptr_generation(eb, i));
+ next = read_tree_block(fs_info,
+ btrfs_node_blockptr(eb, i),
+ btrfs_node_ptr_generation(eb, i));
if (!extent_buffer_uptodate(next))
continue;
if (btrfs_is_leaf(next) && btrfs_header_level(eb) != 1) {
btrfs_header_level(eb));
goto out;
}
- print_extents(root, next);
+ print_extents(next);
free_extent_buffer(next);
}
{ "CHUNK", BTRFS_CHUNK_TREE_OBJECTID },
{ "DEVICE", BTRFS_DEV_TREE_OBJECTID },
{ "DEV", BTRFS_DEV_TREE_OBJECTID },
- { "FS_TREE", BTRFS_FS_TREE_OBJECTID },
+ { "FS", BTRFS_FS_TREE_OBJECTID },
{ "CSUM", BTRFS_CSUM_TREE_OBJECTID },
{ "CHECKSUM", BTRFS_CSUM_TREE_OBJECTID },
{ "QUOTA", BTRFS_QUOTA_TREE_OBJECTID },
"-u|--uuid print only the uuid tree",
"-b|--block <block_num> print info from the specified block only",
"-t|--tree <tree_id> print only tree with the given id (string or number)",
+ "--follow use with -b, to show all children tree blocks of <block_num>",
NULL
};
int uuid_tree_only = 0;
int roots_only = 0;
int root_backups = 0;
+ unsigned open_ctree_flags = OPEN_CTREE_FS_PARTIAL;
u64 block_only = 0;
struct btrfs_root *tree_root_scan;
u64 tree_id = 0;
+ bool follow = false;
while (1) {
int c;
+ enum { GETOPT_VAL_FOLLOW = 256 };
static const struct option long_options[] = {
{ "extents", no_argument, NULL, 'e'},
{ "device", no_argument, NULL, 'd'},
{ "uuid", no_argument, NULL, 'u'},
{ "block", required_argument, NULL, 'b'},
{ "tree", required_argument, NULL, 't'},
+ { "follow", no_argument, NULL, GETOPT_VAL_FOLLOW },
{ NULL, 0, NULL, 0 }
};
root_backups = 1;
break;
case 'b':
+ /*
+ * If only showing one block, no need to fill roots
+ * other than chunk root
+ */
+ open_ctree_flags |= __OPEN_CTREE_RETURN_CHUNK_ROOT;
block_only = arg_strtou64(optarg);
break;
case 't': {
}
break;
}
+ case GETOPT_VAL_FOLLOW:
+ follow = true;
+ break;
default:
usage(cmd_inspect_dump_tree_usage);
}
printf("%s\n", PACKAGE_STRING);
- info = open_ctree_fs_info(argv[optind], 0, 0, 0, OPEN_CTREE_PARTIAL);
+ info = open_ctree_fs_info(argv[optind], 0, 0, 0, open_ctree_flags);
if (!info) {
error("unable to open %s", argv[optind]);
goto out;
}
- root = info->fs_root;
- if (!root) {
- error("unable to open %s", argv[optind]);
- goto out;
- }
-
if (block_only) {
- leaf = read_tree_block(root,
- block_only,
- info->nodesize, 0);
-
+ root = info->chunk_root;
+ leaf = read_tree_block(info, block_only, 0);
if (extent_buffer_uptodate(leaf) &&
btrfs_header_level(leaf) != 0) {
free_extent_buffer(leaf);
leaf = NULL;
}
- if (!leaf) {
- leaf = read_tree_block(root,
- block_only,
- info->nodesize, 0);
- }
+ if (!leaf)
+ leaf = read_tree_block(info, block_only, 0);
if (!extent_buffer_uptodate(leaf)) {
error("failed to read %llu",
(unsigned long long)block_only);
goto close_root;
}
- btrfs_print_tree(root, leaf, 0);
+ btrfs_print_tree(leaf, follow);
free_extent_buffer(leaf);
goto close_root;
}
+ root = info->fs_root;
+ if (!root) {
+ error("unable to open %s", argv[optind]);
+ goto out;
+ }
+
if (!(extent_only || uuid_tree_only || tree_id)) {
if (roots_only) {
printf("root tree: %llu level %d\n",
} else {
if (info->tree_root->node) {
printf("root tree\n");
- btrfs_print_tree(info->tree_root,
- info->tree_root->node, 1);
+ btrfs_print_tree(info->tree_root->node, 1);
}
if (info->chunk_root->node) {
printf("chunk tree\n");
- btrfs_print_tree(info->chunk_root,
- info->chunk_root->node, 1);
+ btrfs_print_tree(info->chunk_root->node, 1);
}
if (info->log_root_tree) {
printf("log root tree\n");
- btrfs_print_tree(info->log_root_tree,
- info->log_root_tree->node, 1);
+ btrfs_print_tree(info->log_root_tree->node, 1);
}
}
}
goto close_root;
}
printf("root tree\n");
- btrfs_print_tree(info->tree_root, info->tree_root->node, 1);
+ btrfs_print_tree(info->tree_root->node, 1);
goto close_root;
}
goto close_root;
}
printf("chunk tree\n");
- btrfs_print_tree(info->chunk_root, info->chunk_root->node, 1);
+ btrfs_print_tree(info->chunk_root->node, 1);
goto close_root;
}
goto close_root;
}
printf("log root tree\n");
- btrfs_print_tree(info->log_root_tree, info->log_root_tree->node,
- 1);
+ btrfs_print_tree(info->log_root_tree->node, 1);
goto close_root;
}
offset = btrfs_item_ptr_offset(leaf, slot);
read_extent_buffer(leaf, &ri, offset, sizeof(ri));
- buf = read_tree_block(tree_root_scan,
- btrfs_root_bytenr(&ri),
- info->nodesize, 0);
+ buf = read_tree_block(info, btrfs_root_bytenr(&ri), 0);
if (!extent_buffer_uptodate(buf))
goto next;
if (tree_id && found_key.objectid != tree_id) {
printf(" tree ");
btrfs_print_key(&disk_key);
printf("\n");
- print_extents(tree_root_scan, buf);
+ print_extents(buf);
} else if (!skip) {
printf(" tree ");
btrfs_print_key(&disk_key);
btrfs_header_level(buf));
} else {
printf(" \n");
- btrfs_print_tree(tree_root_scan, buf, 1);
+ btrfs_print_tree(buf, 1);
}
}
free_extent_buffer(buf);
projects / platform / upstream / btrfs-progs.git / blobdiff