From: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
To: 0wnerD1ed <l7z@0b1t.tech>
Cc: linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH blktests] block/046: skip with the new XFS read-bounce implementation
Date: Fri, 25 Sep 2026 14:31:27 +0900 [thread overview]
Message-ID: <arYG96raJ0gESSo-@shinmob> (raw)
In-Reply-To: <CAKTh27_iPvKWV8_bLMwwhEZAD+XPXimBdpz4D8iuue8mSh2A=g@mail.gmail.com>
On Sep 21, 2026 / 16:58, 0wnerD1ed wrote:
> block/046 uses a deliberately misaligned one-byte iovec to exercise the
> special bvec layout in bio_iov_iter_bounce_read().
>
> The new XFS lazy read-bounce implementation no longer sets
> IOMAP_DIO_BOUNCE before extracting the user pages. The ordinary path now
> rejects that iovec with EINVAL, and a later patch removes the legacy helper
> entirely.
>
> Detect the per-mount csum/read_bounce interface and mark the test not run
> after cleaning up the XFS mount and null_blk device. This retains the
> regression coverage on older kernels without treating the expected EINVAL
> as a successful result.
>
> Reported-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
> Link: https://lore.kernel.org/r/arDN1UdZIydNLUjz@shinmob
> Link: https://lore.kernel.org/r/20260921082240.GA19833@lst.de
> Signed-off-by: 0wnerD1ed <l7z@0b1t.tech>
I applied this patch. Thank you for the swift fix!
prev parent reply other threads:[~2026-09-25 5:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-21 8:58 [PATCH blktests] block/046: skip with the new XFS read-bounce implementation 0wnerD1ed
2026-09-21 9:12 ` 0wnerD1ed
2026-09-22 13:21 ` Christoph Hellwig
2026-09-25 5:31 ` Shin'ichiro Kawasaki [this message]
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