common: new function to get real device path name and basename

If TEST_DEV or SCRATCH_DEV is symlink(mostly a lvm lv), a simple
basename is not enough, symlink should be followed.

This task is common enough, so introduce new helper functions and
replace all readlink calls in

ext4/305
generic/009
generic/019
generic/285
generic/312

Signed-off-by: Eryu Guan <eguan@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Eryu Guan
2014-05-13 09:05:43 +10:00
committed by Dave Chinner
parent 9f3515572c
commit ec08236ff7
6 changed files with 21 additions and 7 deletions
+1 -1
View File
@@ -52,7 +52,7 @@ _require_scratch
# 5G in byte
fssize=$((2**30 * 5))
required_blocks=$(($fssize / 1024))
dev_blocks=$(grep $(basename $(readlink -f $SCRATCH_DEV)) /proc/partitions | $AWK_PROG '{print $3}')
dev_blocks=$(grep $(_short_dev $SCRATCH_DEV) /proc/partitions | $AWK_PROG '{print $3}')
if [ $required_blocks -gt $dev_blocks ];then
_notrun "this test requires \$SCRATCH_DEV has ${fssize}B space"
fi