-c option needs argument <dev> but it's missing now.
This patch fixes it.
Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
use snapshot file
@item -n, --nocache
disable host cache
-@item -c, --connect
- connect FILE to NBD device DEV
+@item -c, --connect=@var{dev}
+ connect @var{filename} to NBD device @var{dev}
@item -d, --disconnect
disconnect the specified device
@item -e, --shared=@var{num}