BTRFS−FIND−ROOT

NAME

btrfs-find-root − filter to find btrfs root

btrfs−find−root [options]

btrfs−find−root is used to find the satisfied root, you can filter by root tree’s objectid, generation, level.

−a

Search through all metadata extents, even the root has been already found.

−g

Filter root tree by it’s original transaction id, tree root’s generation in default.

−o

Filter root tree by it’s objectid,tree root’s objectid in default.

−l

Filter root tree by B−+ tree’s level, level 0 in default.

btrfs−find−root will return 0 if no error happened. If any problems happened, 1 will be returned.