From: Keith Busch <kbusch@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Keith Busch <kbusch@meta.com>,
linux-block@vger.kernel.org, axboe@kernel.dk,
Carlos Maiolino <cem@kernel.org>
Subject: Re: [PATCH] block: check bio split for unaligned bvec
Date: Tue, 16 Jun 2026 09:36:15 -0600 [thread overview]
Message-ID: <ajFtbzPiEI1kFjp6@kbusch-mbp> (raw)
In-Reply-To: <ajB36Wt9lU_F-r7h@kbusch-mbp>
On Mon, Jun 15, 2026 at 04:08:41PM -0600, Keith Busch wrote:
> 3: can handle arbitrary memory but advertise default dma_alignment=511
> (brd, pmem, zram, ps3vram, simdisk - "limits lie")
That's actually not right because they iterate with
bio_for_each_segment, which requires all the bv_len's are sector size
granularity, so their default limits are correct. Just no one's
enforcing them right now.
prev parent reply other threads:[~2026-06-16 15:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-12 22:32 [PATCH] block: check bio split for unaligned bvec Keith Busch
2026-06-13 12:36 ` Jens Axboe
2026-06-15 9:37 ` Carlos Maiolino
2026-06-15 13:35 ` Christoph Hellwig
2026-06-15 22:08 ` Keith Busch
2026-06-16 15:36 ` Keith Busch [this message]
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