[LTP] [PATCH 2/3] quotactl08: Use do_mount()

[xuyang2018.jy@fujitsu.com]

Hi Petr
>> Hi Petr
>>> Hi Xu,
>
>>>> Hi Petr
>>>>> to change
>>>>> quotactl08.c:160: TBROK: mount(/dev/loop0, mntpoint, ext4, 0, (nil)) failed: ESRCH (3)
>>>> I doubt why fs quota is not supported on this case since we have check
>>>> kernel config?
>
>>> There is probably bug on the SUT, thus it might be correct it fails.
>
>>> But how about martin's fix 4aab31e4c7 ("syscalls/quotactl: Skip tests if FS
>>> quota is not supported") - quotactl04.c also checks for CONFIG_QFMT_V2 and uses
>>> do_mount(). I'll check whether it was another bug on the system.
>> Maybe we miss check the following kernel config?
> In my case it's probably a problem with mkfs.
Another possible way about loop driver. So do you use default loop image 
to create ext4 filesystem or export LTP_DEV?

Best Regards
Yang Xu
>
>> CONFIG_QUOTA=y
> Selected by [m]:
>    - OCFS2_FS [=m]&&  BLOCK [=y]&&  INET [=y]&&  SYSFS [=y]&&  CONFIGFS_FS [=m]
> =>  very unlikely not to be selected (but we might want to check also corner case
> configurations; but I guess also CONFIG_QUOTA=m would be ok)
>
>> CONFIG_QUOTA_TREE=y
> Selected by [m]:
>    - OCFS2_FS [=m]&&  BLOCK [=y]&&  INET [=y]&&  SYSFS [=y]&&  CONFIGFS_FS [=m]
> Selected by [n]:
>    - QFMT_V2 [=n]&&  QUOTA [=y]
> ditto
>
>> CONFIG_QUOTACTL=y
> Selected by [y]:
>    - QUOTA [=y]
> Selected by [m]:
>    - XFS_QUOTA [=y]&&  BLOCK [=y]&&  XFS_FS [=m]
>    - GFS2_FS [=m]&&  BLOCK [=y]
> even more likely to be selected.
>
> Kind regards,
> Petr
>
>> Best Regards
>> Yang Xu
>
>>> Kind regards,
>>> Petr
>
>>>> Best Regards
>>>> Yang Xu
>
>>>>> to TCONF if FS quota is not supported (the same fix as 4aab31e4c7).
>
>>>>> Signed-off-by: Petr Vorel<pvorel@suse.cz>
>>>>> ---
>>>>>     testcases/kernel/syscalls/quotactl/quotactl08.c | 2 +-
>>>>>     1 file changed, 1 insertion(+), 1 deletion(-)
>
>>>>> diff --git a/testcases/kernel/syscalls/quotactl/quotactl08.c b/testcases/kernel/syscalls/quotactl/quotactl08.c
>>>>> index 3793867f23..9f54bebcc0 100644
>>>>> --- a/testcases/kernel/syscalls/quotactl/quotactl08.c
>>>>> +++ b/testcases/kernel/syscalls/quotactl/quotactl08.c
>>>>> @@ -157,7 +157,7 @@ static void setup(void)
>>>>>     	quotactl_info();
>
>>>>>     	SAFE_MKFS(tst_device->dev, tst_device->fs_type, fs_opts, NULL);
>>>>> -	SAFE_MOUNT(tst_device->dev, MNTPOINT, tst_device->fs_type, 0, NULL);
>>>>> +	do_mount(tst_device->dev, MNTPOINT, tst_device->fs_type, 0, NULL);
>>>>>     	mount_flag = 1;
>
>>>>>     	fd = SAFE_OPEN(MNTPOINT, O_RDONLY);