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From: Christoph Hellwig <hch@lst.de>
To: Andrey Albershteyn <aalbersh@kernel.org>
Cc: linux-xfs@vger.kernel.org, fsverity@lists.linux.dev,
	linux-fsdevel@vger.kernel.org, ebiggers@kernel.org, hch@lst.de,
	linux-ext4@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net,
	linux-btrfs@vger.kernel.org, djwong@kernel.org
Subject: Re: [PATCH v14 11/21] xfs: don't report dio_mem_align and dio_offset_align for fsverity files
Date: Tue, 4 Aug 2026 19:43:47 +0200	[thread overview]
Message-ID: <20260804174347.GC14046@lst.de> (raw)
In-Reply-To: <20260803200820.393203-12-aalbersh@kernel.org>

On Mon, Aug 03, 2026 at 10:08:01PM +0200, Andrey Albershteyn wrote:
> Sashiko.dev reported that while fsverity files falls back to the
> buffered IO for Direct I/O, they should not report non-zero values in
> dio_mem_align and dio_offset_align, meaning it's not supported.

This doesn't make much sense to me.  If we didn't want to report
we'd also want to not set STATX_DIOALIGN | STATX_DIO_READ_ALIGN.
But in the end there is very little upside of this while adding
extra special cases.


  reply	other threads:[~2026-08-04 17:43 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-03 20:07 [PATCH v14 00/21] fs-verity support for XFS with post EOF merkle tree Andrey Albershteyn
2026-08-03 20:07 ` [PATCH v14 01/21] fsverity: report validation errors through fserror to fsnotify Andrey Albershteyn
2026-08-03 20:07 ` [PATCH v14 02/21] fsverity: expose ensure_fsverity_info() Andrey Albershteyn
2026-08-03 20:07 ` [PATCH v14 03/21] fsverity: pass digest size and hash of the all-zeroes block to ->write Andrey Albershteyn
2026-08-03 20:07 ` [PATCH v14 04/21] fsverity: hoist pagecache_read from f2fs/ext4 to fsverity Andrey Albershteyn
2026-08-03 20:07 ` [PATCH v14 05/21] fsverity: improve flushing performance of fsverity_fill_zerohash Andrey Albershteyn
2026-08-04 17:42   ` Christoph Hellwig
2026-08-04 18:37     ` Eric Biggers
2026-08-04 18:57       ` Eric Biggers
2026-08-04 19:00         ` Darrick J. Wong
2026-08-04 18:01   ` Darrick J. Wong
2026-08-04 18:46   ` Matthew Wilcox
2026-08-04 18:56     ` Darrick J. Wong
2026-08-04 19:28       ` Matthew Wilcox
2026-08-03 20:07 ` [PATCH v14 06/21] fsverity: don't allow setting DAX file attribute on fsverity files Andrey Albershteyn
2026-08-04 18:02   ` Darrick J. Wong
2026-08-03 20:07 ` [PATCH v14 07/21] fsverity: hoist statx reporting of fs-verity flag Andrey Albershteyn
2026-08-04 17:39   ` Christoph Hellwig
2026-08-04 18:02   ` Darrick J. Wong
2026-08-03 20:07 ` [PATCH v14 08/21] xfs: introduce fsverity on-disk changes Andrey Albershteyn
2026-08-03 20:07 ` [PATCH v14 09/21] xfs: don't allow to enable DAX on fs-verity sealed inode Andrey Albershteyn
2026-08-03 20:08 ` [PATCH v14 10/21] xfs: disable direct read path for fs-verity files Andrey Albershteyn
2026-08-03 20:08 ` [PATCH v14 11/21] xfs: don't report dio_mem_align and dio_offset_align for fsverity files Andrey Albershteyn
2026-08-04 17:43   ` Christoph Hellwig [this message]
2026-08-04 17:50     ` Darrick J. Wong
2026-08-04 18:29       ` Eric Biggers
2026-08-04 18:24     ` Eric Biggers
2026-08-03 20:08 ` [PATCH v14 12/21] xfs: handle fsverity I/O in write/read path Andrey Albershteyn
2026-08-04 18:27   ` Darrick J. Wong
2026-08-03 20:08 ` [PATCH v14 13/21] xfs: use read ioend for fsverity data verification Andrey Albershteyn
2026-08-04 18:36   ` Darrick J. Wong
2026-08-03 20:08 ` [PATCH v14 14/21] xfs: add flags to xfs_free_eofblocks() to pass down to block processing Andrey Albershteyn
2026-08-04 18:18   ` Darrick J. Wong
2026-08-03 20:08 ` [PATCH v14 15/21] xfs: add fs-verity support Andrey Albershteyn
2026-08-03 20:08 ` [PATCH v14 16/21] xfs: initialize fs-verity on file open Andrey Albershteyn
2026-08-03 20:08 ` [PATCH v14 17/21] xfs: add fs-verity ioctls Andrey Albershteyn
2026-08-03 20:08 ` [PATCH v14 18/21] xfs: advertise fs-verity being available on filesystem Andrey Albershteyn
2026-08-03 20:08 ` [PATCH v14 19/21] xfs: check and repair the verity inode flag state Andrey Albershteyn
2026-08-03 20:08 ` [PATCH v14 20/21] xfs: introduce health state for corrupted fsverity metadata Andrey Albershteyn
2026-08-03 20:08 ` [PATCH v14 21/21] xfs: enable ro-compat fs-verity flag Andrey Albershteyn
2026-08-04 17:35 ` [PATCH v14 00/21] fs-verity support for XFS with post EOF merkle tree Christoph Hellwig
2026-08-04 17:52   ` Darrick J. Wong

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