On 25.03.21 г. 13:23, Johannes Thumshirn wrote:
> Non-partitionable devices, like zoned block devices, aren't showing up in in
> /proc/partitions and therefore we cannot relay on it to get a device's
> size.
>
> Use sysfs' size attribute to get the block device size.
>
> Cc: Naohiro Aota <naohiro.aota@xxxxxxx>
> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
> ---
> common/rc | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/common/rc b/common/rc
> index 1c814b9aabf1..c99fff824087 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -3778,7 +3778,7 @@ _get_available_space()
> # return device size in kb
> _get_device_size()
> {
> - grep -w `_short_dev $1` /proc/partitions | awk '{print $3}'
> + echo $(($(cat /sys/block/`_short_dev $1`/size) >> 1))
> }
How about simply using 'blockdev --getsz'
>
> # Make sure we actually have dmesg checking set up.
>
