Re: Mount point not auto unmounted after system date/time change

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On Wed, Sep 16, 2015 at 7:21 PM, Ian Kent <raven@xxxxxxxxxx> wrote:
> On Wed, 2015-09-16 at 19:02 +0800, Ning Yu wrote:
>> On Wed, Sep 16, 2015 at 6:43 PM, Ian Kent <raven@xxxxxxxxxx> wrote:
>> > On Wed, 2015-09-16 at 18:28 +0800, Ning Yu wrote:
>> >> On Wed, Sep 16, 2015 at 5:16 PM, Ian Kent <raven@xxxxxxxxxx> wrote:
>> >> > On Wed, 2015-09-16 at 16:45 +0800, Ning Yu wrote:
>> >> >> Hi,
>> >> >>
>> >> >> I have composed a patch for this issue, it works in my side, what it
>> >> >> does is replacing gettimeofday() with clock_gettime(CLOCK_MONOTONIC).
>> >> >>
>> >> >> Would anyone please help to review it? Thanks in advance.
>> >> >
>> >> > Are you joking!
>> >> > How is this meant to apply to the current source, it won't.
>> >> >
>> >> > If you can manage to post a sane patch you will need to break it up into
>> >> > a few separate standalone patches with sane explanations of what each
>> >> > one is meant to achieve.
>> >>
>> >> I'm sorry, not to offend, the previous patch was huge because all the call to
>> >> time() or gettimeofday() functions are replaced with clock_gettime().
>> >
>> > Encountering this after a generally unpleasant day is bound to get a
>> > short and unpleasant response, ;)
>> >
>>
>> Best wishes for you and have a nice day/night :)
>>
>> >>
>> >> Please allow me to re-send the patch, this time I have splitted it into
>> >> several smaller patches, hope it won't be as stupid as previous one.
>> >
>> > Well, I see those posts but there are still problems with your email
>> > program.
>> >
>> > Apart from the DOS line ends all the tabs appear to have been collapsed
>> > to single spaces.
>> >
>> > I really don't want to go through and apply these hunk by hunk manually
>> > when you must have a properly formatted patch already.
>> >
>>
>> Thanks for pointing it out, I will have to fix my email client issue first and
>> resend the patches. Sorry for wasting you so much of time.
>
> A couple of other small things.
>
> Please make the title of the patch email the same as the tittle of the
> patch. And if possible add a [PATCH x/y] prefix to the title, x being
> the ordering of the patch within the y patches posted.
>
> And in patch titles I commonly use "autofs-n-v-r - actual title".
>
> So for example one of these would have a title like:
> autofs-5.1.1 - Use monotonic clock instead of time()
>
> assuming you had made them against the 5.1.1 source.
>
> I've also started to use (quite recently in fact) "Signed-off-by:" in
> patches so please add yours too, I don't feel right about adding it for
> someone else as it's an assumption that may or may not be correct.
>
> These things aren't a big deal as I can change most of them myself
> easily if it's not convenient for you to do it.
>

Thanks very much for the suggestions, I have resent the v3 patches with git
command, by CCing myself I checked the patches just now:
* the Signed-off-by part is added;
* the email subject is same with the patch title;
* and the autofs-5.1.1 prefix is added;
* however the EOL is still \r\n, this is really weird, because I use Linux
  and vim to do the job, and the original patches are generated with
  'git format-patch', they contains unix EOL as expected, and they are sent
  with 'git send-email', not sure why gmail convert them to dos EOL.

Maybe I have to resend them as attachment.

>>
>> >>
>> >> >
>> >> >>
>> >> >> From cdb2bcd563420cd39af199309e8c0c7fc45a7bd1 Mon Sep 17 00:00:00 2001
>> >> >> From: Yu Ning <ning.yu@xxxxxxxxxx>
>> >> >> Date: Wed, 16 Sep 2015 15:56:21 +0800
>> >> >> Subject: [PATCH] Use clock_gettime() instead of gettimeofday().
>> >> >>
>> >> >> This patch is to fix the issue that a mount point may not be
>> >> >> automatically unmounted after a system date/time change.
>> >> >>
>> >> >> Reproducer with 100% failrate:
>> >> >
>> >> > Since of you to hammer the result of the problem you've identified
>> >> > rather than just explain the problem and what needs to be done to
>> >> > resolve it in a polite and sensible manner.
>> >> >
>> >
>> >
>
>
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