[CRIU] [PATCH] LOG_DIR_FD_OFF -> WORK_DIR_FD_OFF

Pavel Emelyanov xemul at parallels.com
Mon Nov 11 23:34:12 PST 2013


On 11/11/2013 03:36 PM, Pavel Emelyanov wrote:
> On 11/11/2013 07:25 PM, Ruslan Kuprieiev wrote:
>> On 11.11.2013 15:13, Andrew Vagin wrote:
>>> On Mon, Nov 11, 2013 at 03:01:07PM +0400, Cyrill Gorcunov wrote:
>>>> On Mon, Nov 11, 2013 at 02:53:02PM +0400, Pavel Emelyanov wrote:
>>>>> * service/page-server --daemon
>>>>> g
>>>>> - images  : -D, don't start if absent
>>>>> - logs    : $opt-filename, don't start if not absolute
>>>>> - pidfiles: $opt-filename, don't start if not absolute
>>>> Why can't the logs/pidfiles be a relative to -D directory here?
>>>> Do we really need to require absolute path?
>>> You think like me :)
>>>
>>> But after a discussion I agree that we can have image dir for images
>>> and work dir for other files like logs, pid, stat???, etc.
>>>
>>> I think we need to add an option to customize work dir too.
>> Maybe for server/service use -D as "work dir" path, and add optional 
>> argument "where to chdir" to -d? For example, if i want server/service 
>> go daemon, put his logs/pidfiles to DIR1 and chdir to DIR2 i will use:
>> criu service -o logfile --pidfile pidfile -D DIR1 -d DIR2
> 
> Guys, let's leave -D option alone with "directory for images" meaning only, OK?
> Ruslan, plz, rework and resend the whole series _as_ _series_ with [PATCH 0/N]
> to obey the mentioned scheme. If we want the special option for work dir, we'll
> be able to add one later, but right now I don't see much point in it. All your
> scenarios can be achieved with the existing options.

After talking to Andrey and more thinking I came to the conclusion, that backward
compatibility is still important.

Let's do what was planned with work-dir service fd, options reshuffle and others,
but then do one more step -- make the work-dir be the same as the image-dir _unless_
it's overrided with a _new_ command line option. OK?

> Thanks,
> Pavel
> 




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