SYNOPSIS
--------
-*btrfs-find-root* [options] <dev>
+*btrfs-find-root* [options] <device>
DESCRIPTION
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OPTIONS
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-a::
-Search through all the metadata extents, even the root is already found.
+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>::