/dev/null) if strstr "$_rootinfo" "ID_FS_TYPE=btrfs"; then info "Checking, if btrfs device complete" unset __btrfs_mount mount -o ro "$_dev" /tmp >/dev/null 2>&1 __btrfs_mount=$? [ $__btrfs_mount -eq 0 ] && umount "$_dev" >/dev/null 2>&1 return $__btrfs_mount fi return 0 } btrfs_check_complete $1 exit $?