btrfs-find-root (8) - Linux Manuals
btrfs-find-root: filter to find btrfs root
NAME
btrfs-find-root - filter to find btrfs root
SYNOPSIS
btrfs-find-root [options] <device>
DESCRIPTION
btrfs-find-root is used to find the satisfied root, you can filter by root tree's objectid, generation, level.
OPTIONS
-a
- Search through all metadata extents, even the root has been already found.
-g <generation>
- Filter root tree by it's original transaction id, tree root's generation in default.
-o <objectid>
- Filter root tree by it's objectid,tree root's objectid in default.
-l <level>
- Filter root tree by B-+ tree's level, level 0 in default.
EXIT STATUS
btrfs-find-root will return 0 if no error happened. If any problems happened, 1 will be returned.