[PATCH] xfstests: Introduce test case 285 for project quota negative test collections

[Jeff Liu]

Hi Christoph,

Thanks for your comments below, I'll fix them up and repost it here.

-Jeff
On 04/12/2012 04:02 AM, Christoph Hellwig wrote:

> Hi Jeff,
> 
> thanks a lot for sending this patch!
> 
>> I'd like to introduce a new test to verify something like this, it is intended to run as a negative test
>> collections for project quota.  It only verify the above issue for now, maybe its better to wrap the steps in a individual function?
> 
> We should have one testcase for one thing to test - by that defintion
> this bug should really stay a test case on it's own.  Some more comments
> below.
> 
>> +_create_pquota_config_files()
>> +{
>> +	echo "1:$tmpdir" > /etc/projects
>> +	echo "$project_name:1" > /etc/projid
>> +}
> 
> We can use numeric ids for projects directly, and the -p object to
> various xfs_quota subcommands also allows refering to a path instead
> of a project name, that way we don't have to rewrite the config files
> in /etc.
> 
>> +echo "*** create loopback image file ***"
>> +dd if=/dev/zero of=$tmpfile bs=4k count=4096 >/dev/null 2>&1
>> +
>> +echo "*** mkfs.xfs ***"
>> +mkfs.xfs -b size=4096 $tmpfile >/dev/null 2>&1
>> +
>> +# mount loopback image but without pquota option
>> +mount -o loop $tmpfile $tmpdir || _fail "!!! failed to loopback mount"
> 
> This should use _scratch_mkfs _scratch_mount and so on instead of
> opencoding it.