From: Christoph Hellwig <hch@lst.de>
To: JeffleXu <jefflexu@linux.alibaba.com>
Cc: Ming Lei <ming.lei@redhat.com>,
axboe@kernel.dk, linux-block@vger.kernel.org,
joseph.qi@linux.alibaba.com, xiaoguang.wang@linux.alibaba.com,
Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH] block: set NOWAIT for sync polling
Date: Thu, 15 Oct 2020 09:43:35 +0200 [thread overview]
Message-ID: <20201015074335.GB14082@lst.de> (raw)
In-Reply-To: <17357ee1-7662-f20b-0a49-2fb3fdf01ebc@linux.alibaba.com>
On Wed, Oct 14, 2020 at 04:31:49PM +0800, JeffleXu wrote:
> What about just disabling HIPRI in preadv2(2)/pwritev2(2)? Christoph
> Hellwig disabled HIPRI for libaio in
>
> commit 154989e45fd8de9bfb52bbd6e5ea763e437e54c5 ("aio: clear IOCB_HIPRI").
> What do you think, @Christoph?
>
> (cc Christoph Hellwig)
aio clears the flag because it can't work. For preadv2/pwritev2 it
works perfectly fine.
prev parent reply other threads:[~2020-10-15 7:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-13 8:40 [PATCH] block: set NOWAIT for sync polling Jeffle Xu
2020-10-13 12:09 ` Ming Lei
2020-10-13 19:28 ` Jens Axboe
2020-10-14 8:31 ` JeffleXu
2020-10-14 9:49 ` Ming Lei
2020-10-15 7:43 ` Christoph Hellwig [this message]
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