From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@fb.com>
Cc: linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
axboe@kernel.dk, Kernel Team <Kernel-team@fb.com>,
hch@lst.de, bvanassche@acm.org, damien.lemoal@opensource.wdc.com,
ebiggers@kernel.org, pankydev8@gmail.com,
Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCHv4 9/9] fs: add support for dma aligned direct-io
Date: Tue, 31 May 2022 08:29:15 +0200 [thread overview]
Message-ID: <20220531062915.GE21098@lst.de> (raw)
In-Reply-To: <20220526010613.4016118-10-kbusch@fb.com>
On Wed, May 25, 2022 at 06:06:13PM -0700, Keith Busch wrote:
> From: Keith Busch <kbusch@kernel.org>
>
> Use the address alignment requirements from the hardware for direct io
> instead of requiring addresses be aligned to the block size.
I'd suggest dropping the legacy direct-io.c change. Anyone who wants
new features really should be using the iomap code, which also
significantly reduced the amount of testing needed here and the chance
of regressions.
prev parent reply other threads:[~2022-05-31 6:29 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-26 1:06 [PATCHv4 0/9] direct io dma alignment Keith Busch
2022-05-26 1:06 ` [PATCHv4 1/9] block: fix infiniate loop for invalid zone append Keith Busch
2022-05-26 1:48 ` Damien Le Moal
2022-05-31 6:19 ` Christoph Hellwig
2022-05-26 1:06 ` [PATCHv4 2/9] block/bio: remove duplicate append pages code Keith Busch
2022-05-26 1:06 ` [PATCHv4 3/9] block: export dma_alignment attribute Keith Busch
2022-05-26 7:30 ` Eric Biggers
2022-05-26 1:06 ` [PATCHv4 4/9] block: introduce bdev_dma_alignment helper Keith Busch
2022-05-26 1:06 ` [PATCHv4 5/9] block: add a helper function for dio alignment Keith Busch
2022-05-26 1:54 ` Damien Le Moal
2022-05-31 6:22 ` Christoph Hellwig
2022-05-26 1:06 ` [PATCHv4 6/9] block/merge: count bytes instead of sectors Keith Busch
2022-05-26 1:57 ` Damien Le Moal
2022-05-31 6:25 ` Christoph Hellwig
2022-05-26 1:06 ` [PATCHv4 7/9] block/bounce: " Keith Busch
2022-05-26 1:58 ` Damien Le Moal
2022-05-30 15:08 ` Pankaj Raghav
2022-05-31 6:26 ` Christoph Hellwig
2022-05-26 1:06 ` [PATCHv4 8/9] block: relax direct io memory alignment Keith Busch
2022-05-26 2:03 ` Damien Le Moal
2022-05-26 7:29 ` Eric Biggers
2022-05-26 13:50 ` Keith Busch
2022-05-26 18:13 ` Eric Biggers
2022-05-26 18:55 ` Keith Busch
2022-05-26 20:32 ` Keith Busch
2022-05-31 6:30 ` Christoph Hellwig
2022-05-26 1:06 ` [PATCHv4 9/9] fs: add support for dma aligned direct-io Keith Busch
2022-05-26 2:01 ` Damien Le Moal
2022-05-31 6:29 ` Christoph Hellwig [this message]
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