linux-kernel - Re: [patch 2/3] kcmp: Add KCMP_EPOLL_TFD mode to compare epoll target files

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Message-ID: <20170313140407.GD6743@uranus.lan>
Date:   Mon, 13 Mar 2017 17:04:07 +0300
From:   Cyrill Gorcunov <gorcunov@...il.com>
To:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-api@...r.kernel.org
Cc:     viro@...iv.linux.org.uk, akpm@...uxfoundation.org,
        avagin@...tuozzo.com, xemul@...tuozzo.com, mtk.manpages@...il.com,
        kir@...nvz.org, Andrey Vagin <avagin@...nvz.org>,
        Jason Baron <jbaron@...mai.com>,
        Andy Lutomirski <luto@...capital.net>
Subject: Re: [patch 2/3] kcmp: Add KCMP_EPOLL_TFD mode to compare epoll
 target files

On Fri, Mar 10, 2017 at 11:16:57AM +0300, Cyrill Gorcunov wrote:
> With current epoll architecture target files are addressed
> with file_struct and file descriptor number, where the last
> is not unique. Moreover files can be transferred from another
> process via unix socket, added into queue and closed then
> so we won't find this descriptor in the task fdinfo list.
...

Any objections, gentlemen?