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From: Christoph Hellwig <hch@infradead.org>
To: Jason Xing <kerneljasonxing@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	axboe@kernel.dk, rostedt@goodmis.org, mhiramat@kernel.org,
	mathieu.desnoyers@efficios.com, akpm@linux-foundation.org,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
	linux-trace-kernel@vger.kernel.org,
	Jason Xing <kernelxing@tencent.com>,
	Yushan Zhou <katrinzhou@tencent.com>
Subject: Re: [PATCH v2 2/4] relayfs: introduce dump of relayfs statistics function
Date: Thu, 15 May 2025 22:06:29 -0700	[thread overview]
Message-ID: <aCbH1eA8Iicg_Fq_@infradead.org> (raw)
In-Reply-To: <CAL+tcoBtLu6_E1qKL9VHOiCe_RVpEGzMiMqA3GpPi1Z88aMiWw@mail.gmail.com>

On Fri, May 16, 2025 at 01:02:59PM +0800, Jason Xing wrote:
> Do you mean make it inline in include/linux/relay.h like how
> relay_write() works?
> 
> Will do that.

Just drop the extern, which is not needed:

size_t relay_dump(struct rchan *chan, int flags);

> >
> > This export seems unused even with the entire series applied.
> 
> My initial thought was to provide a symbol for some kernel modules to use.

The only user is blktrace, which can't be modular.  Or you plan to
submit a modular user soon, like in the next merge window/  If so
note that and add a pointer to it in the cover letter.


  reply	other threads:[~2025-05-16  5:06 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-15  6:16 [PATCH v2 0/4] relayfs: misc changes Jason Xing
2025-05-15  6:16 ` [PATCH v2 1/4] relayfs: support a counter tracking if per-cpu buffers is full Jason Xing
2025-05-15 18:17   ` Jens Axboe
2025-05-15  6:16 ` [PATCH v2 2/4] relayfs: introduce dump of relayfs statistics function Jason Xing
2025-05-15 18:19   ` Jens Axboe
2025-05-15 23:24     ` Jason Xing
2025-05-16  2:08   ` Masami Hiramatsu
2025-05-16  2:32     ` Jason Xing
2025-05-16  4:37   ` Christoph Hellwig
2025-05-16  5:02     ` Jason Xing
2025-05-16  5:06       ` Christoph Hellwig [this message]
2025-05-16  5:44         ` Jason Xing
2025-05-15  6:16 ` [PATCH v2 3/4] blktrace: use rbuf->stats.full as a drop indicator in relayfs Jason Xing
2025-05-15 18:19   ` Jens Axboe
2025-05-15 18:21   ` Jens Axboe
2025-05-15 23:26     ` Jason Xing
2025-05-15  6:16 ` [PATCH v2 4/4] relayfs: support a counter tracking if data is too big to write Jason Xing

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