From: Christoph Hellwig <hch@infradead.org>
To: Song Liu <song@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>,
Guoqing Jiang <jgq516@gmail.com>,
Artur Paszkiewicz <artur.paszkiewicz@intel.com>,
linux-raid <linux-raid@vger.kernel.org>,
linux-block@vger.kernel.org,
Pawe?? Wiejacha <pawel.wiejacha@rtbhouse.com>
Subject: Re: [PATCH] md: don't account io stat for split bio
Date: Tue, 11 May 2021 08:11:58 +0100 [thread overview]
Message-ID: <YJouPh8pZCIXk96f@infradead.org> (raw)
In-Reply-To: <CAPhsuW64tRB6i7Rr2f+G-nmbacFKapB1nztinnJ2KKWTbc9VYA@mail.gmail.com>
On Mon, May 10, 2021 at 11:59:11PM -0700, Song Liu wrote:
> > Yes. Also if the original bi_end_io is restore before completing the
> > bio you can still override it.
>
> Do you mean we can somehow avoid cloning the bio?
If you restore the original bi_end_io you might be able to avoid it.
That being said I suspect that always cloning will be more robust.
next prev parent reply other threads:[~2021-05-11 7:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-08 3:48 [PATCH] md: don't account io stat for split bio Guoqing Jiang
2021-05-10 6:00 ` Christoph Hellwig
2021-05-10 7:46 ` Guoqing Jiang
2021-05-10 19:49 ` Artur Paszkiewicz
2021-05-11 2:13 ` Guoqing Jiang
2021-05-11 4:38 ` Christoph Hellwig
2021-05-11 6:59 ` Song Liu
2021-05-11 7:11 ` Christoph Hellwig [this message]
2021-05-11 6:58 ` Song Liu
2021-05-11 7:10 ` Christoph Hellwig
2021-05-13 7:24 ` Guoqing Jiang
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