diff options
Diffstat (limited to 'cmds-check.c')
| -rw-r--r-- | cmds-check.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/cmds-check.c b/cmds-check.c index 668af158..3453cac2 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -6022,6 +6022,7 @@ static struct option long_options[] = { { "repair", 0, NULL, 0 }, { "init-csum-tree", 0, NULL, 0 }, { "init-extent-tree", 0, NULL, 0 }, + { "backup", 0, NULL, 0 }, { NULL, 0, NULL, 0} }; @@ -6030,6 +6031,7 @@ const char * const cmd_check_usage[] = { "Check an unmounted btrfs filesystem.", "", "-s|--super <superblock> use this superblock copy", + "-b|--backup use the backup root copy", "--repair try to repair the filesystem", "--init-csum-tree create a new CRC tree", "--init-extent-tree create a new extent tree", @@ -6043,6 +6045,7 @@ int cmd_check(int argc, char **argv) struct btrfs_fs_info *info; u64 bytenr = 0; char uuidbuf[37]; + int backup_root = 0; int ret; int num; int option_index = 0; @@ -6052,12 +6055,15 @@ int cmd_check(int argc, char **argv) while(1) { int c; - c = getopt_long(argc, argv, "as:", long_options, + c = getopt_long(argc, argv, "as:b", long_options, &option_index); if (c < 0) break; switch(c) { case 'a': /* ignored */ break; + case 'b': + backup_root = 1; + break; case 's': num = atol(optarg); bytenr = btrfs_sb_offset(num); @@ -6099,7 +6105,7 @@ int cmd_check(int argc, char **argv) return -EBUSY; } - info = open_ctree_fs_info(argv[optind], bytenr, 0, rw, 1); + info = open_ctree_fs_info(argv[optind], bytenr, 0, rw, 1, backup_root); if (!info) { fprintf(stderr, "Couldn't open file system\n"); return -EIO; |