[PATCH] generic/108: use blockdev utility to calculate physical and logical block size

[Nitesh Shetty <nj.shetty@samsung.com>]

Reading sysfs to get physical and logical block fails,
if SCRATCH_DEV is partitioned device.

Signed-off-by: Nitesh Shetty <nj.shetty@samsung.com>
Reported-by: Darrick J. Wong <djwong@kernel.org>
Reported-by: Wang Yugui <wangyugui@e16-tech.com>
---
 tests/generic/108 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/generic/108 b/tests/generic/108
index db0e9bd0..efe66ba5 100755
--- a/tests/generic/108
+++ b/tests/generic/108
@@ -42,8 +42,8 @@ _require_non_zoned_device $SCRATCH_DEV
 lvname=lv_$seq
 vgname=vg_$seq
 
-physical=$(cat /sys/block/$(_short_dev $SCRATCH_DEV)/queue/physical_block_size)
-logical=$(cat /sys/block/$(_short_dev $SCRATCH_DEV)/queue/logical_block_size)
+physical=`blockdev --getpbsz $SCRATCH_DEV`
+logical=`blockdev --getss $SCRATCH_DEV`
 
 # _get_scsi_debug_dev returns a scsi debug device with 128M in size by default
 SCSI_DEBUG_DEV=`_get_scsi_debug_dev ${physical:-512} ${logical:-512} 0 300`
-- 
2.25.1