linux-ext4 - Re: [RFC 01/10] mke2fs.c: add an option: -d root-directory

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Date:	Tue, 15 Oct 2013 09:38:11 +0800
From:	Robert Yang <liezhi.yang@...driver.com>
To:	Darren Hart <dvhart@...ux.intel.com>,
	"Theodore Ts'o" <tytso@....edu>
CC:	<linux-ext4@...r.kernel.org>
Subject: Re: [RFC 01/10] mke2fs.c: add an option: -d root-directory



On 10/15/2013 12:26 AM, Darren Hart wrote:
> On Sun, 2013-10-13 at 22:41 -0400, Theodore Ts'o wrote:
>> On Wed, Aug 28, 2013 at 01:25:51PM +0800, Robert Yang wrote:
>>> @@ -2773,7 +2776,6 @@ no_journal:
>>>   		       "filesystem accounting information: "));
>>>   	checkinterval = fs->super->s_checkinterval;
>>>   	max_mnt_count = fs->super->s_max_mnt_count;
>>> -	retval = ext2fs_close(fs);
>>>   	if (retval) {
>>>   		fprintf(stderr,
>>>   			_("\nWarning, had trouble writing out superblocks."));
>>
>> You can't just move the call to ext2fs_close().  You also need to move
>>
>> 	if (!quiet)
>> 		printf(_("Writing superblocks and "
>> 		       "filesystem accounting information: "));
>>
>> before the call to ext2fs_close() since this is used to print the
>> message for the progress information that will be emitted by
>> ext2fs_close(), and you also have to move the error checking:
>>
>>    	if (retval) {
>>    		fprintf(stderr,
>>    			_("\nWarning, had trouble writing out superblocks."));
>> 	...
>>
>> after the call to ext2fs_close().
>>
>>
>> This would have been ***painfully*** obvious if you had run the
>> regression test suite.  ("make -j8 ; make -j8 check"), since the
>> inconsistent move of ext2fs_close() without the preceeding printf
>> would cause all of the mke2fs tests (the m_* tests) to fail.
>>
>> This is why regression test suites are so important.  :-)
>>
>>       	    	       	    	       - Ted
>
> Robert,
>
> Can you please take Ted's feedback into account (this and his response
> to patch 10/10) and prepare another version of the patches.
>

Yes, of course:-)

> As Ted suggests here, please run the regression test suite prior to any
> future patch submissions. Looks like we missed some critical bits by not
> doing that.
>
> Ted, thank you for the response and taking the time to point out the
> test suite. Robert, could you check the README and see if anything needs
> to get updated there to make sure other developers are aware of the
> regressions suite and how to run it?
>

OK, I will, thanks Ted and Darren.

// Robert

> Thanks,
>
>
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