diff options
| -rw-r--r-- | Documentation/btrfs-find-root.txt | 2 | ||||
| -rw-r--r-- | btrfs-find-root.c | 31 |
2 files changed, 19 insertions, 14 deletions
diff --git a/Documentation/btrfs-find-root.txt b/Documentation/btrfs-find-root.txt index c934b4cb..e04cd3e8 100644 --- a/Documentation/btrfs-find-root.txt +++ b/Documentation/btrfs-find-root.txt @@ -16,6 +16,8 @@ root tree's objectid, generation, level. OPTIONS ------- +-a:: +Search through all the metadata extents, even the root is already found. -g <generation>:: Filter root tree by it's original transaction id, tree root's generation in default. -o <objectid>:: diff --git a/btrfs-find-root.c b/btrfs-find-root.c index b7481645..9e56c81d 100644 --- a/btrfs-find-root.c +++ b/btrfs-find-root.c @@ -36,7 +36,7 @@ static void usage(void) { - fprintf(stderr, "Usage: find-roots [-o search_objectid] " + fprintf(stderr, "Usage: find-roots [-a] [-o search_objectid] " "[ -g search_generation ] [ -l search_level ] <device>\n"); } @@ -149,20 +149,23 @@ int main(int argc, char **argv) filter.objectid = BTRFS_ROOT_TREE_OBJECTID; filter.match_gen = (u64)-1; filter.match_level = (u8)-1; - while ((opt = getopt(argc, argv, "l:o:g:")) != -1) { + while ((opt = getopt(argc, argv, "al:o:g:")) != -1) { switch(opt) { - case 'o': - filter.objectid = arg_strtou64(optarg); - break; - case 'g': - filter.generation = arg_strtou64(optarg); - break; - case 'l': - filter.level = arg_strtou64(optarg); - break; - default: - usage(); - exit(1); + case 'a': + filter.search_all = 1; + break; + case 'o': + filter.objectid = arg_strtou64(optarg); + break; + case 'g': + filter.generation = arg_strtou64(optarg); + break; + case 'l': + filter.level = arg_strtou64(optarg); + break; + default: + usage(); + exit(1); } } |