linux-kernel - Re: [PATCH 2/2] dmabuf/tracing: Add dma-buf trace events

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Date:   Mon, 3 Aug 2020 16:41:25 +0100
From:   Matthew Wilcox <willy@...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 2/2] dmabuf/tracing: Add dma-buf trace events

On Mon, Aug 03, 2020 at 02:47:19PM +0000, Kalesh Singh wrote:
> +static void dma_buf_fd_install(int fd, struct file *filp)
> +{
> +	trace_dma_buf_fd_ref_inc(current, filp);
> +}

You're adding a new file_operation in order to just add a new tracepoint?
NACK.