Message ID | 20210326153437.27840-1-johannes.thumshirn@wdc.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [v3] fstests: don't rely on /proc/partitions for device size | expand |
On 2021/03/27 0:34, Johannes Thumshirn wrote: > Non-partitionable devices, like zoned block devices, aren't showing up in in > /proc/partitions and therefore we cannot rely on it to get a device's size. > > Use blockdev --getsz to get the block device size. > > Cc: Naohiro Aota <naohiro.aota@wdc.com> > Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> > > --- > Changes to v2: > - Don't forget the sectors to kb conversion (Damien) > > 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..2f295fa05484 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 $(($(blockdev --getsz $1) >> 1)) > } > > # Make sure we actually have dmesg checking set up. > Looks good to me. Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
diff --git a/common/rc b/common/rc index 1c814b9aabf1..2f295fa05484 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 $(($(blockdev --getsz $1) >> 1)) } # Make sure we actually have dmesg checking set up.
Non-partitionable devices, like zoned block devices, aren't showing up in in /proc/partitions and therefore we cannot rely on it to get a device's size. Use blockdev --getsz to get the block device size. Cc: Naohiro Aota <naohiro.aota@wdc.com> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> --- Changes to v2: - Don't forget the sectors to kb conversion (Damien) Changes to v1: - Use blockdev --getsz instead of sysfs (Nikolay/Damien) --- common/rc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)