From: Christoph Hellwig <hch@infradead.org>
To: Goldwyn Rodrigues <rgoldwyn@suse.de>
Cc: Christoph Hellwig <hch@infradead.org>,
linux-fsdevel@vger.kernel.org, jack@suse.com,
linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org,
linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org,
axboe@kernel.dk, linux-api@vger.kernel.org,
adam.manzanares@wdc.com, viro@zeniv.linux.org.uk
Subject: Re: [PATCH 0/10 v9] No wait AIO
Date: Mon, 29 May 2017 01:32:17 -0700 [thread overview]
Message-ID: <20170529083217.GB1899@infradead.org> (raw)
In-Reply-To: <acb0fc57-5005-4422-9c42-3345e892ecb2@suse.de>
On Sun, May 28, 2017 at 09:38:27PM -0500, Goldwyn Rodrigues wrote:
> This effort focused on writes only.
>
> >From the point of view of the application/user, reads are usually
> required to complete with success. I don't see a scenario where reads()
> would need the nowait feature. If there is a use case, I'd be happy to
> add and support it.
Both of them usually have a point. And if they would block the
main thread we'll have to offload them to a thread pool.
prev parent reply other threads:[~2017-05-29 8:32 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-24 16:41 [PATCH 0/10 v9] No wait AIO Goldwyn Rodrigues
2017-05-24 16:41 ` [PATCH 01/10] fs: Separate out kiocb flags setup based on RWF_* flags Goldwyn Rodrigues
2017-05-25 8:16 ` Jan Kara
2017-05-24 16:41 ` [PATCH 02/10] fs: Introduce filemap_range_has_page() Goldwyn Rodrigues
2017-05-25 8:25 ` Jan Kara
2017-05-24 16:41 ` [PATCH 03/10] fs: Use RWF_* flags for AIO operations Goldwyn Rodrigues
2017-05-24 16:41 ` Goldwyn Rodrigues
2017-05-25 8:27 ` Jan Kara
2017-05-24 16:41 ` [PATCH 04/10] fs: Introduce RWF_NOWAIT Goldwyn Rodrigues
2017-05-25 8:30 ` Jan Kara
2017-05-24 16:41 ` [PATCH 05/10] fs: return if direct write will trigger writeback Goldwyn Rodrigues
2017-05-24 16:41 ` Goldwyn Rodrigues
2017-05-25 8:32 ` Jan Kara
2017-05-24 16:41 ` [PATCH 06/10] fs: Introduce IOMAP_NOWAIT Goldwyn Rodrigues
2017-05-25 8:33 ` Jan Kara
2017-05-24 16:41 ` [PATCH 07/10] fs: return on congested block device Goldwyn Rodrigues
2017-05-24 16:41 ` [PATCH 08/10] ext4: nowait aio support Goldwyn Rodrigues
2017-05-24 16:41 ` [PATCH 09/10] xfs: " Goldwyn Rodrigues
2017-05-24 16:49 ` Darrick J. Wong
2017-05-28 9:31 ` Christoph Hellwig
2017-05-28 9:31 ` Christoph Hellwig
2017-05-29 2:38 ` Goldwyn Rodrigues
2017-05-29 8:21 ` Jan Kara
2017-05-29 8:33 ` Christoph Hellwig
2017-05-30 16:13 ` Goldwyn Rodrigues
2017-05-30 16:13 ` Goldwyn Rodrigues
2017-05-31 8:51 ` Jan Kara
2017-05-24 16:41 ` [PATCH 10/10] btrfs: " Goldwyn Rodrigues
2017-05-28 9:27 ` [PATCH 0/10 v9] No wait AIO Christoph Hellwig
2017-05-28 9:27 ` Christoph Hellwig
2017-05-29 2:38 ` Goldwyn Rodrigues
2017-05-29 8:32 ` Christoph Hellwig [this message]
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