linux-kernel - Re: [PATCH 1/2] fs: Add fd

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Date:   Mon, 3 Aug 2020 17:34:29 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     Kalesh Singh <kaleshsingh@...gle.com>
Cc:     Jonathan Corbet <corbet@....net>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org,
        linux-fsdevel@...r.kernel.org,
        Suren Baghdasaryan <surenb@...gle.com>,
        Hridya Valsaraju <hridya@...gle.com>,
        Ioannis Ilkos <ilkos@...gle.com>,
        John Stultz <john.stultz@...aro.org>, kernel-team@...roid.com
Subject: Re: [PATCH 1/2] fs: Add fd_install file operation

On Mon, Aug 03, 2020 at 02:47:18PM +0000, Kalesh Singh wrote:
> Provides a per process hook for the acquisition of file descriptors,
> despite the method used to obtain the descriptor.
> 
> Signed-off-by: Kalesh Singh <kaleshsingh@...gle.com>

I strongly disagree with this.  The file operation has no business
hooking into installing the fd.