The <targetdev> needs to be same size or larger than the <srcdev>.
+
NOTE: the filesystem has to be resized to fully take advantage of a
-larger target device, this can be achieved with
+larger target device; this can be achieved with
`btrfs filesystem resize <devid>:max /path`
+
`Options`
slow)
-f::::
force using and overwriting <targetdev> even if it looks like
-containing a valid btrfs filesystem.
+it contains a valid btrfs filesystem.
+
A valid filesystem is assumed if a btrfs superblock is found which contains a
-correct checksum. Devices which are currently mounted are
+correct checksum. Devices that are currently mounted are
never allowed to be used as the <targetdev>.
+
-B::::