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From: Keith Busch <kbusch@kernel.org>
To: "Dr. David Alan Gilbert" <linux@treblig.org>
Cc: Keith Busch <kbusch@meta.com>,
	dm-devel@lists.linux.dev, linux-block@vger.kernel.org,
	mpatocka@redhat.com, Vjaceslavs Klimovs <vklimovs@gmail.com>
Subject: Re: [PATCH 2/2] dm-raid1: don't fail the mirror for invalid I/O errors
Date: Wed, 17 Jun 2026 10:54:38 -0600	[thread overview]
Message-ID: <ajLRTkSZJ0WCYNk4@kbusch-mbp> (raw)
In-Reply-To: <ajLO80kZmFnyR2mH@gallifrey>

On Wed, Jun 17, 2026 at 04:44:35PM +0000, Dr. David Alan Gilbert wrote:
> (It's a bit scary you're having to go around quite
> a few places and make similar fixes; I assume there
> are others that do similar things).

Yes, I understand that. I'm looking into a common way to validate this.
The md raid doesn't have this problem because they always call
bio_split_to_limits() first, but that's not an optimal thing to do for
dm raid in the normal read/write path, so perhaps a common checker needs
to happen generically in the block layer. Yeah, I know I removed the
previous higher level validation ... I'll try find something less costly
than what we had before.

  reply	other threads:[~2026-06-17 16:54 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-16 15:05 [PATCH 1/2] dm-io: clone the source bio instead of copying its biovec Keith Busch
2026-06-16 15:05 ` [PATCH 2/2] dm-raid1: don't fail the mirror for invalid I/O errors Keith Busch
2026-06-16 17:54   ` Dr. David Alan Gilbert
2026-06-16 18:48     ` Keith Busch
2026-06-16 20:09       ` Dr. David Alan Gilbert
2026-06-16 23:45         ` Keith Busch
2026-06-16 23:47           ` Dr. David Alan Gilbert
2026-06-17 15:08         ` Keith Busch
2026-06-17 15:33           ` Dr. David Alan Gilbert
2026-06-17 16:21             ` Keith Busch
2026-06-17 16:44               ` Dr. David Alan Gilbert
2026-06-17 16:54                 ` Keith Busch [this message]
2026-06-17 16:59                   ` Dr. David Alan Gilbert
2026-06-16 15:40 ` Keith Busch
2026-06-16 15:58 ` Keith Busch

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