From: Pavel Emelyanov <xemul-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
To: "J. Bruce Fields" <bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
Cc: Jeff Layton <jlayton-vpEMnDpepFuMZCB2o+C8xQ@public.gmane.org>,
Alexander Viro
<viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
linux-fsdevel
<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] locks: Ability to test for flock presence on fd
Date: Wed, 3 Sep 2014 19:47:57 +0400 [thread overview]
Message-ID: <5407382D.1020809@parallels.com> (raw)
In-Reply-To: <20140903154434.GC22731-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
On 09/03/2014 07:44 PM, J. Bruce Fields wrote:
...
>> Hope this explanation is more clear.
>
> Thanks, I think I understand.
>
> Remind me how you figure out which file descriptors point to the same
> file description (struct file)?
We do it with the help of kcmp() syscall:
https://github.com/cyrillos/linux-2.6/commit/951bc60c6a
Thanks,
Pavel
next prev parent reply other threads:[~2014-09-03 15:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-02 17:17 [PATCH] locks: Ability to test for flock presence on fd Pavel Emelyanov
2014-09-02 18:44 ` J. Bruce Fields
2014-09-02 19:07 ` Pavel Emelyanov
[not found] ` <54061562.4080306-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2014-09-02 19:43 ` J. Bruce Fields
[not found] ` <20140902194300.GE31793-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2014-09-02 19:53 ` Jeff Layton
2014-09-03 14:38 ` Pavel Emelyanov
[not found] ` <540727E0.6030005-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2014-09-03 15:44 ` J. Bruce Fields
[not found] ` <20140903154434.GC22731-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2014-09-03 15:47 ` Pavel Emelyanov [this message]
2014-09-03 15:55 ` Jeff Layton
[not found] ` <20140903115504.63a7ae6f-9yPaYZwiELC+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2014-09-03 16:00 ` Pavel Emelyanov
[not found] ` <54073B02.2060707-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2014-09-03 16:03 ` Jeff Layton
[not found] ` <20140903120321.604f9039-9yPaYZwiELC+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2014-09-03 16:57 ` Andy Lutomirski
2014-09-09 16:18 ` J. Bruce Fields
2014-09-10 13:32 ` Jeff Layton
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