From: Christoph Hellwig <hch@lst.de>
To: Tal Zussman <tz2294@columbia.edu>
Cc: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
Johannes Thumshirn <johannes.thumshirn@wdc.com>,
Luis Chamberlain <mcgrof@kernel.org>,
Hannes Reinecke <hare@suse.de>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
John Garry <john.g.garry@oracle.com>,
Christian Brauner <brauner@kernel.org>,
"Darrick J. Wong" <djwong@kernel.org>,
Keith Busch <kbusch@kernel.org>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/7] block: take i_rwsem for the splice read path
Date: Mon, 7 Sep 2026 09:10:00 +0200 [thread overview]
Message-ID: <20260907071000.GB934@lst.de> (raw)
In-Reply-To: <20260828-blkdev-fixes-v2-3-32f3f40cebed@columbia.edu>
On Fri, Aug 28, 2026 at 09:49:52AM -0400, Tal Zussman wrote:
> Splicing from a block device while toggling the block size between 512
> bytes and 64K with BLKBSZSET hits this within seconds on a
> CONFIG_DEBUG_VM kernel:
Can you wire this up to blktests?
The fix looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2026-09-07 7:10 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-28 13:49 [PATCH v2 0/7] block device fixes for large block sizes, IOCB_NOWAIT, and direct I/O Tal Zussman
2026-08-28 13:49 ` [PATCH v2 1/7] block: use iomap_dirty_folio for block devices Tal Zussman
2026-09-02 12:43 ` Hannes Reinecke
2026-08-28 13:49 ` [PATCH v2 2/7] block: take i_rwsem for the direct I/O write fallback Tal Zussman
2026-09-02 12:47 ` Hannes Reinecke
2026-09-04 16:22 ` Tal Zussman
2026-09-07 7:08 ` Christoph Hellwig
2026-09-07 23:15 ` Tal Zussman
2026-08-28 13:49 ` [PATCH v2 3/7] block: take i_rwsem for the splice read path Tal Zussman
2026-09-02 12:52 ` Hannes Reinecke
2026-09-07 7:10 ` Christoph Hellwig [this message]
2026-08-28 13:49 ` [PATCH v2 4/7] block: honor IOCB_NOWAIT in the block device buffered " Tal Zussman
2026-09-02 13:04 ` Hannes Reinecke
2026-09-07 7:11 ` Christoph Hellwig
2026-09-08 0:09 ` Tal Zussman
2026-08-28 13:49 ` [PATCH v2 5/7] block: fail atomic writes instead of falling back to buffered I/O Tal Zussman
2026-09-02 14:09 ` Hannes Reinecke
2026-09-07 7:12 ` Christoph Hellwig
2026-09-07 7:49 ` John Garry
2026-09-09 6:03 ` Tal Zussman
2026-08-28 13:49 ` [PATCH v2 6/7] block: unpin all pages of a bvec in bio_iov_iter_align_down() Tal Zussman
2026-08-28 14:36 ` Tal Zussman
2026-09-07 7:13 ` Christoph Hellwig
2026-09-08 0:11 ` Tal Zussman
2026-09-02 14:13 ` Hannes Reinecke
2026-08-28 13:49 ` [PATCH v2 7/7] block: remove dead metadata handling from the async direct I/O path Tal Zussman
2026-09-07 7:13 ` Christoph Hellwig
2026-08-28 15:32 ` [PATCH v2 0/7] block device fixes for large block sizes, IOCB_NOWAIT, and direct I/O Tal Zussman
2026-09-04 16:19 ` Tal Zussman
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