}
static const char * const cmd_logical_resolve_usage[] = {
- "btrfs inspect-internal logical-resolve [-Pv] <logical> <path>",
+ "btrfs inspect-internal logical-resolve [-Pv] [-s bufsize] <logical> <path>",
"Get file system paths for the given logical address",
+ "-P skip the path resolving and print the inodes instead",
+ "-v verbose mode",
+ "-s bufsize set inode container's size. This is used to increase inode",
+ " container's size in case it is not enough to read all the ",
+ " resolved results. The max value one can set is 64k",
NULL
};
int bytes_left;
struct btrfs_ioctl_logical_ino_args loi;
struct btrfs_data_container *inodes;
+ u64 size = 4096;
char full_path[4096];
char *path_ptr;
optind = 1;
while (1) {
- int c = getopt(argc, argv, "Pv");
+ int c = getopt(argc, argv, "Pvs:");
if (c < 0)
break;
case 'v':
verbose = 1;
break;
+ case 's':
+ size = atoll(optarg);
+ break;
default:
usage(cmd_logical_resolve_usage);
}
if (check_argc_exact(argc - optind, 2))
usage(cmd_logical_resolve_usage);
- inodes = malloc(4096);
+ size = min(size, 64 * 1024);
+ inodes = malloc(size);
if (!inodes)
return 1;
loi.logical = atoll(argv[optind]);
- loi.size = 4096;
+ loi.size = size;
loi.inodes = (u64)inodes;
fd = open_file_or_dir(argv[optind+1]);
}
if (verbose)
- printf("ioctl ret=%d, bytes_left=%lu, bytes_missing=%lu, "
- "cnt=%d, missed=%d\n", ret,
+ printf("ioctl ret=%d, total_size=%llu, bytes_left=%lu, "
+ "bytes_missing=%lu, cnt=%d, missed=%d\n",
+ ret, size,
(unsigned long)inodes->bytes_left,
(unsigned long)inodes->bytes_missing,
inodes->elem_cnt, inodes->elem_missed);
\fBbtrfs\fP \fBinspect-internal inode-resolve\fP [-v] \fI<inode>\fP \fI<path>\fP
.PP
\fBbtrfs\fP \fBinspect-internal logical-resolve\fP
-[-Pv] \fI<logical>\fP \fI<path>\fP
+[-Pv] [-s size] \fI<logical>\fP \fI<path>\fP
.PP
\fBbtrfs\fP \fBhelp|\-\-help|\-h \fP\fI\fP
.PP
.RE
.TP
-\fBinspect-internal logical-resolve\fP [-Pv] \fI<logical>\fP \fI<path>\fP
+\fBinspect-internal logical-resolve\fP [-Pv] [-s bufsize] \fI<logical>\fP \fI<path>\fP
Resolves a <logical> address in the filesystem mounted at <path> to all inodes.
By default, each inode is then resolved to a file system path (similar to the
\fBinode-resolve\fP subcommand).
skip the path resolving and print the inodes instead
.IP -v 5
verbose mode. print count of returned paths and all ioctl() return values
+.IP -s bufsize 5
+set inode container's size. This is used to increase inode container's size in case it is
+not enough to read all the resolved results. The max value one can set is 64k.
.RE
.SH EXIT STATUS