#include "disk-io.h"
#include "commands.h"
#include "btrfs-list.h"
+#include "help.h"
static const char * const inspect_cmd_group_usage[] = {
"btrfs inspect-internal <command> <args>",
ipa.fspath = ptr_to_u64(fspath);
ret = ioctl(fd, BTRFS_IOC_INO_PATHS, &ipa);
- if (ret) {
- printf("ioctl ret=%d, error: %s\n", ret, strerror(errno));
+ if (ret < 0) {
+ error("ino paths ioctl: %m");
goto out;
}
int ret;
DIR *dirstream = NULL;
- optind = 1;
while (1) {
int c = getopt(argc, argv, "v");
if (c < 0)
struct btrfs_ioctl_logical_ino_args loi;
struct btrfs_data_container *inodes;
u64 size = 4096;
- char full_path[4096];
+ char full_path[PATH_MAX];
char *path_ptr;
DIR *dirstream = NULL;
- optind = 1;
while (1) {
int c = getopt(argc, argv, "Pvs:");
if (c < 0)
if (check_argc_exact(argc - optind, 2))
usage(cmd_inspect_logical_resolve_usage);
- size = min(size, (u64)64 * 1024);
+ size = min(size, (u64)SZ_64K);
inodes = malloc(size);
if (!inodes)
return 1;
}
ret = ioctl(fd, BTRFS_IOC_LOGICAL_INO, &loi);
- if (ret) {
- printf("ioctl ret=%d, error: %s\n", ret, strerror(errno));
+ if (ret < 0) {
+ error("logical ino ioctl: %m");
goto out;
}
ret = snprintf(full_path, bytes_left, "%s/", argv[optind+1]);
path_ptr = full_path + ret;
bytes_left -= ret + 1;
- BUG_ON(bytes_left < 0);
+ if (bytes_left < 0) {
+ error("path buffer too small: %d bytes", bytes_left);
+ goto out;
+ }
for (i = 0; i < inodes->elem_cnt; i += 3) {
u64 inum = inodes->val[i];
path_ptr[-1] = '/';
ret = snprintf(path_ptr, bytes_left, "%s",
name);
- BUG_ON(ret >= bytes_left);
free(name);
+ if (ret >= bytes_left) {
+ error("path buffer too small: %d bytes",
+ bytes_left - ret);
+ goto out;
+ }
path_fd = btrfs_open_dir(full_path, &dirs, 1);
if (path_fd < 0) {
ret = -ENOENT;
char path[PATH_MAX];
DIR *dirstream = NULL;
- if (check_argc_exact(argc, 3))
+ clean_args_no_options(argc, argv, cmd_inspect_subvolid_resolve_usage);
+
+ if (check_argc_exact(argc - optind, 2))
usage(cmd_inspect_subvolid_resolve_usage);
- fd = btrfs_open_dir(argv[2], &dirstream, 1);
+ fd = btrfs_open_dir(argv[optind + 1], &dirstream, 1);
if (fd < 0) {
ret = -ENOENT;
goto out;
}
- subvol_id = arg_strtou64(argv[1]);
+ subvol_id = arg_strtou64(argv[optind]);
ret = btrfs_subvolid_resolve(fd, path, sizeof(path), subvol_id);
if (ret) {
- fprintf(stderr,
- "%s: btrfs_subvolid_resolve(subvol_id %llu) failed with ret=%d\n",
- argv[0], (unsigned long long)subvol_id, ret);
+ error("resolving subvolid %llu error %d",
+ (unsigned long long)subvol_id, ret);
goto out;
}
out:
close_file_or_dir(fd, dirstream);
- return ret ? 1 : 0;
+ return !!ret;
}
static const char* const cmd_inspect_rootid_usage[] = {
u64 rootid;
DIR *dirstream = NULL;
- if (check_argc_exact(argc, 2))
+ clean_args_no_options(argc, argv, cmd_inspect_rootid_usage);
+
+ if (check_argc_exact(argc - optind, 1))
usage(cmd_inspect_rootid_usage);
- fd = btrfs_open_dir(argv[1], &dirstream, 1);
+ fd = btrfs_open_file_or_dir(argv[optind], &dirstream, 1);
if (fd < 0) {
ret = -ENOENT;
goto out;
}
- ret = lookup_ino_rootid(fd, &rootid);
+ ret = lookup_path_rootid(fd, &rootid);
if (ret) {
- fprintf(stderr, "%s: rootid failed with ret=%d\n",
- argv[0], ret);
+ error("failed to lookup root id: %s", strerror(-ret));
goto out;
}
/*
* List of device extents is sorted by descending order of the extent's
* end offset. If some extent goes beyond the computed minimum size,
- * which initially matches the sum of the lenghts of all extents,
+ * which initially matches the sum of the lengths of all extents,
* we need to check if the extent can be relocated to an hole in the
* device between [0, *min_size[ (which is what the resize ioctl does).
*/
* chunk tree, so often this can lead to the need of allocating
* a new system chunk too, which has a maximum size of 32Mb.
*/
- *min_size += 32 * 1024 * 1024;
+ *min_size += SZ_32M;
}
}
* possibility of deprecating/removing it has been discussed, so we
* ignore it here.
*/
- u64 min_size = 1 * 1024 * 1024ull;
+ u64 min_size = SZ_1M;
struct btrfs_ioctl_search_args args;
struct btrfs_ioctl_search_key *sk = &args.key;
u64 last_pos = (u64)-1;
ret = ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args);
if (ret < 0) {
- fprintf(stderr,
- "Error invoking tree search ioctl: %s\n",
- strerror(errno));
+ error("tree search ioctl: %m");
ret = 1;
goto out;
}
off);
off += sizeof(*sh);
extent = (struct btrfs_dev_extent *)(args.buf + off);
- off += sh->len;
+ off += btrfs_search_header_len(sh);
- sk->min_objectid = sh->objectid;
- sk->min_type = sh->type;
- sk->min_offset = sh->offset + 1;
+ sk->min_objectid = btrfs_search_header_objectid(sh);
+ sk->min_type = btrfs_search_header_type(sh);
+ sk->min_offset = btrfs_search_header_offset(sh) + 1;
- if (sh->objectid != devid ||
- sh->type != BTRFS_DEV_EXTENT_KEY)
+ if (btrfs_search_header_objectid(sh) != devid ||
+ btrfs_search_header_type(sh) != BTRFS_DEV_EXTENT_KEY)
continue;
len = btrfs_stack_dev_extent_length(extent);
min_size += len;
- ret = add_dev_extent(&extents, sh->offset,
- sh->offset + len - 1, 0);
+ ret = add_dev_extent(&extents,
+ btrfs_search_header_offset(sh),
+ btrfs_search_header_offset(sh) + len - 1, 0);
if (!ret && last_pos != (u64)-1 &&
- last_pos != sh->offset)
+ last_pos != btrfs_search_header_offset(sh))
ret = add_dev_extent(&holes, last_pos,
- sh->offset - 1, 1);
+ btrfs_search_header_offset(sh) - 1, 1);
if (ret) {
- fprintf(stderr, "Error: %s\n", strerror(-ret));
+ error("add device extent: %s", strerror(-ret));
ret = 1;
goto out;
}
- last_pos = sh->offset + len;
+ last_pos = btrfs_search_header_offset(sh) + len;
}
if (sk->min_type != BTRFS_DEV_EXTENT_KEY ||
0 },
{ "min-dev-size", cmd_inspect_min_dev_size,
cmd_inspect_min_dev_size_usage, NULL, 0 },
+ { "dump-tree", cmd_inspect_dump_tree,
+ cmd_inspect_dump_tree_usage, NULL, 0 },
+ { "dump-super", cmd_inspect_dump_super,
+ cmd_inspect_dump_super_usage, NULL, 0 },
+ { "tree-stats", cmd_inspect_tree_stats,
+ cmd_inspect_tree_stats_usage, NULL, 0 },
NULL_CMD_STRUCT
}
};