Adapt to different metadata overhead sizes by trying to reserve
decreasing amounts of disk space until we actually succeed at it.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eryu Guan <eguan@redhat.com>
echo "*** creating scratch filesystem"
_create_scratch -lsize=10m -dsize=${size} -dagcount=${nags}
-fillsize=`expr 110 \* 1048576` # 110 megabytes of filling
echo "*** using some initial space on scratch filesystem"
-_fill_scratch $fillsize
+for i in `seq 125 -1 90`; do
+ fillsize=`expr $i \* 1048576`
+ out="$(_fill_scratch $fillsize 2>&1)"
+ echo "$out" | grep -q 'No space left on device' && continue
+ test -n "${out}" && echo "$out"
+ break
+done
#
# Grow the filesystem while actively stressing it...