Re: [PATCH v2] fstests: don't relay on /proc/partitions for device size

[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]



On 2021/03/26 16:39, 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 blockdev --getsz to get the block device size.
> 
> Cc: Naohiro Aota <naohiro.aota@xxxxxxx>
> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
> 
> ---
> Changes to v1:
> - Use blockdev --getsz instead of sysfs (Nikolay/Damien)
> ---
>  common/rc | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/common/rc b/common/rc
> index 1c814b9aabf1..40a9bfac31da 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}'
> +	blockdev --getsz $1

That is 512B sectors unit... This should be KB, no ?

>  }
>  
>  # Make sure we actually have dmesg checking set up.
> 


-- 
Damien Le Moal
Western Digital Research




[Index of Archives]     [Linux Filesystems Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux