From: Christoph Hellwig <hch@infradead.org>
To: Pavel Begunkov <asml.silence@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-block@vger.kernel.org
Subject: Re: [PATCH] mm/filemap: don't revert iter on -EIOCBQUEUED
Date: Mon, 11 Jan 2021 08:05:35 +0000 [thread overview]
Message-ID: <20210111080535.GA693550@infradead.org> (raw)
In-Reply-To: <f5247b60e7abbd2ff850cd108491f53a2e0c501a.1610207781.git.asml.silence@gmail.com>
On Sat, Jan 09, 2021 at 04:00:32PM +0000, Pavel Begunkov wrote:
> Currently, if I/O is enqueued for async execution direct paths of
> generic_file_{read,write}_iter() will always revert the iter. There are
> no users expecting that, and that is also costly. Leave iterators as is
> on -EIOCBQUEUED.
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
prev parent reply other threads:[~2021-01-11 8:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-09 16:00 Pavel Begunkov
2021-01-11 8:05 ` Christoph Hellwig [this message]
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