6 btrfs-find-root - filter to find btrfs root
10 *btrfs-find-root* [options] <dev>
14 *btrfs-find-root* is used to find the satisfied root, you can filter by
15 root tree's objectid, generation, level.
20 Search through all the metadata extents, even the root is already found.
22 Filter root tree by it's original transaction id, tree root's generation in default.
24 Filter root tree by it's objectid,tree root's objectid in default.
26 Filter root tree by B-+ tree's level, level 0 in default.
30 *btrfs-find-root* will return 0 if no error happened.
31 If any problems happened, 1 will be returned.