+if ! _try_scratch_mount "-o dioread_nolock" >> $seqres.full 2>&1; then
+ err_str="can't mount with dioread_nolock if block size != PAGE_SIZE"
+ _check_dmesg_for ${err_str}
+ if [ $? -eq 0 ]; then
+ _notrun "mount failed, ext4 doesn't support bs < ps with dioread_nolock"
+ else
+ _fail "mount failed with dioread_nolock"
+ fi
+fi