[LTP] [PATCH] mkfs: print more info for debugging

[Jan Stancek]

----- Original Message -----
> We can NOT reproduce the problem by manual with both ppc64le and s390x,
> so let's print more useful info from test when getting fail.

It's mkfs_verify_size, test expects to find 90% blocks (of device size),
but lately we miss that by ~1-2%:

# mkfs.ext3 /dev/loop0 16000
mke2fs 1.46.2 (28-Feb-2021)
/dev/loop0 contains a ext3 file system
        created on Fri Apr 16 05:09:23 2021
Proceed anyway? (y,N) y
Discarding device blocks: done
Creating filesystem with 16000 1k blocks and 4000 inodes
Filesystem UUID: d66c4c37-13ce-41df-b3c4-345ec1641e1f
Superblock backups stored on blocks:
        8193

Allocating group tables: done
Writing inode tables: done
Creating journal (1024 blocks): done
Writing superblocks and filesystem accounting information: done

 mount /dev/loop0  /mnt/test
# df -T
Filesystem                           Type      1K-blocks      Used  Available Use% Mounted on
/dev/loop0                           ext3          14343        19      13524   1% /mnt/test


> 
>  mkfs01 1 TPASS: 'mkfs -t ext4  /dev/loop0 ' passed.
>  mkfs01 2 TFAIL: 'mkfs -t ext4  /dev/loop0 16000' failed, not expected.
>  mkfs01 3 TPASS: 'mkfs -t ext4 -c /dev/loop0 ' passed.
>  mkfs01 4 TPASS: 'mkfs -V   ' passed.
>  mkfs01 5 TPASS: 'mkfs -h   ' passed.
> 
> Signed-off-by: Li Wang <liwang@redhat.com>
> ---
>  testcases/commands/mkfs/mkfs01.sh | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/testcases/commands/mkfs/mkfs01.sh
> b/testcases/commands/mkfs/mkfs01.sh
> index 90368190d..55296c8df 100755
> --- a/testcases/commands/mkfs/mkfs01.sh
> +++ b/testcases/commands/mkfs/mkfs01.sh
> @@ -128,7 +128,8 @@ mkfs_test()
>  	if [ -n "$device" ]; then
>  		mkfs_verify_type "$fs_type" "$device"
>  		if [ $? -ne 0 ]; then
> -			tst_res TFAIL "'${mkfs_cmd}' failed, not expected."
> +			tst_res TFAIL "'${mkfs_cmd}' failed, not expected type."
> +			cat temp
>  			return
>  		fi
>  	fi
> @@ -136,7 +137,8 @@ mkfs_test()
>  	if [ -n "$size" ]; then
>  		mkfs_verify_size "$fs_type" "$size"
>  		if [ $? -ne 0 ]; then
> -			tst_res TFAIL "'${mkfs_cmd}' failed, not expected."
> +			tst_res TFAIL "'${mkfs_cmd}' failed, not expected size."
> +			cat temp
>  			return
>  		fi
>  	fi
> --
> 2.30.2
> 
> 
> --
> Mailing list info: https://lists.linux.it/listinfo/ltp
> 
>