From: Cyrill Gorcunov <gorcunov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Jason Baron <jbaron-JqFfY2XvxFXQT0dZR+AlfA@public.gmane.org>
Cc: linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org,
akpm-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
avagin-5HdwGun5lf+gSpxsJD1C4w@public.gmane.org,
xemul-5HdwGun5lf+gSpxsJD1C4w@public.gmane.org,
mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
kir-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org,
luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org
Subject: Re: [RFC 0/3] fs,epoll: Add ability to call kcmp to find target files
Date: Tue, 21 Feb 2017 23:54:34 +0300 [thread overview]
Message-ID: <20170221205434.GD27653@uranus> (raw)
In-Reply-To: <39a65773-a58e-032b-1448-5e03bf78d763-JqFfY2XvxFXQT0dZR+AlfA@public.gmane.org>
On Tue, Feb 21, 2017 at 03:32:21PM -0500, Jason Baron wrote:
> Hi,
>
> Since an epoll fd can be added to another epoll fd, I'm wondering if you
> have enough data here to figure that out. The inode is the
> 'anon_inode_inode', so I'm wondering if that is sufficient to distinguish it
> from other anonymous inodes, or if an extra bit is required to indicate if
> the target file is in fact and epoll fd.
I think it should be ebough (together with sdev and pos). But will
look more closely tomorrow once I sit implementing criu support :)
(that's why it is early rfc, to gather comments)
WARNING: multiple messages have this Message-ID (diff)
From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Jason Baron <jbaron@akamai.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-api@vger.kernel.org, viro@zeniv.linux.org.uk,
akpm@linuxfoundation.org, avagin@virtuozzo.com,
xemul@virtuozzo.com, mtk.manpages@gmail.com, kir@openvz.org,
luto@amacapital.net
Subject: Re: [RFC 0/3] fs,epoll: Add ability to call kcmp to find target files
Date: Tue, 21 Feb 2017 23:54:34 +0300 [thread overview]
Message-ID: <20170221205434.GD27653@uranus> (raw)
In-Reply-To: <39a65773-a58e-032b-1448-5e03bf78d763@akamai.com>
On Tue, Feb 21, 2017 at 03:32:21PM -0500, Jason Baron wrote:
> Hi,
>
> Since an epoll fd can be added to another epoll fd, I'm wondering if you
> have enough data here to figure that out. The inode is the
> 'anon_inode_inode', so I'm wondering if that is sufficient to distinguish it
> from other anonymous inodes, or if an extra bit is required to indicate if
> the target file is in fact and epoll fd.
I think it should be ebough (together with sdev and pos). But will
look more closely tomorrow once I sit implementing criu support :)
(that's why it is early rfc, to gather comments)
next prev parent reply other threads:[~2017-02-21 20:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-21 16:59 [RFC 0/3] fs,epoll: Add ability to call kcmp to find target files Cyrill Gorcunov
2017-02-21 16:59 ` Cyrill Gorcunov
2017-02-21 20:32 ` Jason Baron
[not found] ` <39a65773-a58e-032b-1448-5e03bf78d763-JqFfY2XvxFXQT0dZR+AlfA@public.gmane.org>
2017-02-21 20:54 ` Cyrill Gorcunov [this message]
2017-02-21 20:54 ` Cyrill Gorcunov
2017-02-28 17:11 ` Cyrill Gorcunov
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