# remove previous $seqres.full before test
rm -f $seqres.full
+_require_check_dmesg
_supported_fs ext4
_require_scratch
_require_xfs_io_command "falloc"
_require_scratch_size $((6 * 1024 * 1024)) #kB
_scratch_mkfs >> $seqres.full 2>&1
-_scratch_mount "-o dioread_nolock" >> $seqres.full 2>&1
+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 [ $? -eq 0 ]; then
+ _notrun "mount failed, ext4 doesn't support bs < ps with dioread_nolock"
+ else
+ _fail "mount failed with dioread_nolock"
+ fi
+fi
# Get blksz
blksz=$(_get_file_block_size $SCRATCH_MNT)