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From: Keith Busch <kbusch@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Keith Busch <kbusch@meta.com>,
	linux-block@vger.kernel.org, linux-nvme@lists.infradead.org,
	axboe@kernel.dk, tom.leiming@gmail.com, coshi036@gmail.com,
	Igor.Achkinazi@dell.com, dlemoal@kernel.org
Subject: Re: [PATCH RFC 4/5] block: move bio validation into __bio_split_to_limits
Date: Wed, 20 May 2026 09:19:03 -0600	[thread overview]
Message-ID: <ag3Q5wdOBFNclfMe@kbusch-mbp> (raw)
In-Reply-To: <20260520072548.GC14937@lst.de>

On Wed, May 20, 2026 at 09:25:48AM +0200, Christoph Hellwig wrote:
> Moving the checking from submit_bio_noacct into __bio_split_to_limits
> means that we lose it for bio-based drivers except for the few that
> manuall call bio_split_to_limits.  So we'll still need a helper for
> them, which could be called just before calling into ->submit_bio.

Oh good point. It looks like many of them don't even want their bio's to
split, so probably would need to factor out a limits check from the
split so that both can call from an entered queue context. Thanks for
the feedback.


  reply	other threads:[~2026-05-20 15:19 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-19 17:23 [PATCH RFC 0/5] block: validate bios against queue limits in the entered context Keith Busch
2026-05-19 17:23 ` [PATCH RFC 1/5] blk-mq: fix status for unaligned bio Keith Busch
2026-05-20  6:56   ` Damien Le Moal
2026-05-20  7:22   ` Christoph Hellwig
2026-05-20 19:54     ` Chao S
2026-05-19 17:23 ` [PATCH RFC 2/5] block: fix invalid zone append status Keith Busch
2026-05-20  6:58   ` Damien Le Moal
2026-05-20  7:23   ` Christoph Hellwig
2026-05-19 17:23 ` [PATCH RFC 3/5] block: validate bio bounds in the queue entered context Keith Busch
2026-05-20  7:22   ` Damien Le Moal
2026-05-20  7:25     ` Damien Le Moal
2026-05-19 17:23 ` [PATCH RFC 4/5] block: move bio validation into __bio_split_to_limits Keith Busch
2026-05-20  7:25   ` Christoph Hellwig
2026-05-20 15:19     ` Keith Busch [this message]
2026-05-19 17:23 ` [PATCH RFC 5/5] block, nvme: add failed_bio callback for multipath bio failover Keith Busch
2026-05-20  7:27   ` Christoph Hellwig
2026-05-20 15:07     ` Keith Busch
2026-05-20 15:26       ` Keith Busch

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