2. EL 7
  3. btrfs-progs
  4. btrfs-find-root(8)

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BTRFS-FIND-ROOT(8) Btrfs Manual BTRFS-FIND-ROOT(8)

NAME

btrfs-find-root - filter to find btrfs root

SYNOPSIS

btrfs-find-root [options] <dev>

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 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>

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.

SEE ALSO

mkfs.btrfs(8)

08/03/2017 Btrfs v4.9.1