From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
Christian Brauner <brauner@kernel.org>,
Carlos Maiolino <cem@kernel.org>,
Tal Zussman <tz2294@columbia.edu>,
Anuj Gupta <anuj20.g@samsung.com>,
linux-block@vger.kernel.org, linux-xfs@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 19/22] iomap,xfs: move integrity verification to the file system
Date: Fri, 24 Jul 2026 08:23:12 +0200 [thread overview]
Message-ID: <20260724062312.GD4953@lst.de> (raw)
In-Reply-To: <20260723210216.GI2901224@frogsfrogsfrogs>
On Thu, Jul 23, 2026 at 02:02:16PM -0700, Darrick J. Wong wrote:
> Sounds good to me. I gather the idea here is that direct reads go
> straight into the user's buffer, and if they're evil and mess with the
> buffer contents during the read to make the PI verification fail, we can
> then retry the read with a bounce buffer out of spite for userspace?
Yes.
next prev parent reply other threads:[~2026-07-24 6:23 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-23 14:49 lazy bounce buffering for checksummed reads Christoph Hellwig
2026-07-23 14:49 ` [PATCH 01/22] iomap: add a separate bio_set for iomap_split_ioend Christoph Hellwig
2026-07-23 16:49 ` Darrick J. Wong
2026-07-24 6:22 ` Christoph Hellwig
2026-07-23 14:49 ` [PATCH 02/22] block: remove bip_should_check Christoph Hellwig
2026-07-23 14:49 ` [PATCH 03/22] block: lift BIP_CHECK_FLAGS to include/linux/bio-integrity.h Christoph Hellwig
2026-07-23 14:49 ` [PATCH 04/22] block: handle nogenerate/noverify properly in fs-integrity Christoph Hellwig
2026-07-23 17:05 ` Anuj gupta
2026-07-23 14:49 ` [PATCH 05/22] iomap: don't free integrity payload that doesn't exist Christoph Hellwig
2026-07-23 16:55 ` Darrick J. Wong
2026-07-23 14:49 ` [PATCH 06/22] block,iomap: fix protection information verification with initial bvec offset Christoph Hellwig
2026-07-23 14:49 ` [PATCH 07/22] block: add task-context bio completion infrastructure Christoph Hellwig
2026-07-23 14:49 ` [PATCH 08/22] block: don't delay bio task completions Christoph Hellwig
2026-07-23 14:49 ` [PATCH 09/22] block: split bio_iov_iter_bounce_write Christoph Hellwig
2026-07-23 14:49 ` [PATCH 10/22] block: export fs_bio_integrity_{alloc,free} Christoph Hellwig
2026-07-23 14:49 ` [PATCH 11/22] block: don't include blk-integrity.h in bdev.c Christoph Hellwig
2026-07-23 14:49 ` [PATCH 12/22] iomap: better read bounce buffering support Christoph Hellwig
2026-07-23 21:10 ` Darrick J. Wong
2026-07-24 6:26 ` Christoph Hellwig
2026-07-23 14:49 ` [PATCH 13/22] iomap: add a iomap_ioend_flags helper Christoph Hellwig
2026-07-23 20:52 ` Darrick J. Wong
2026-07-23 14:49 ` [PATCH 14/22] iomap: add a IOMAP_IOEND_INTEGRITY flag Christoph Hellwig
2026-07-23 20:53 ` Darrick J. Wong
2026-07-23 14:49 ` [PATCH 15/22] iomap,xfs: move T10 PI handling for direct I/O into ->submit_io Christoph Hellwig
2026-07-23 20:55 ` Darrick J. Wong
2026-07-23 14:49 ` [PATCH 16/22] xfs: move PI generation into xfs_zone_alloc_and_submit Christoph Hellwig
2026-07-23 20:55 ` Darrick J. Wong
2026-07-23 14:49 ` [PATCH 17/22] xfs: split ioend handling into a separate source file Christoph Hellwig
2026-07-23 20:55 ` Darrick J. Wong
2026-07-23 14:49 ` [PATCH 18/22] xfs: use BIO_COMPLETE_IN_TASK for bounce buffered read I/Os Christoph Hellwig
2026-07-23 15:58 ` Andrey Albershteyn
2026-07-24 6:21 ` Christoph Hellwig
2026-07-24 9:38 ` Andrey Albershteyn
2026-07-23 20:58 ` Darrick J. Wong
2026-07-24 6:21 ` Christoph Hellwig
2026-07-23 14:49 ` [PATCH 19/22] iomap,xfs: move integrity verification to the file system Christoph Hellwig
2026-07-23 21:02 ` Darrick J. Wong
2026-07-24 6:23 ` Christoph Hellwig [this message]
2026-07-23 14:49 ` [PATCH 20/22] xfs: add support for lazy direct read bounce buffering Christoph Hellwig
2026-07-23 21:05 ` Darrick J. Wong
2026-07-24 6:24 ` Christoph Hellwig
2026-07-24 6:33 ` Christoph Hellwig
2026-07-23 14:49 ` [PATCH 21/22] xfs: add error injection for lazy " Christoph Hellwig
2026-07-23 21:06 ` Darrick J. Wong
2026-07-23 14:49 ` [PATCH 22/22] xfs: log a message at mount time when using integrity protection Christoph Hellwig
2026-07-23 21:07 ` Darrick J. Wong
2026-07-24 6:25 ` Christoph Hellwig
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