From: Christoph Hellwig <hch@infradead.org>
To: Andrey Albershteyn <aalbersh@kernel.org>
Cc: djwong@kernel.org, ebiggers@kernel.org,
Carlos Maiolino <cem@kernel.org>,
fsverity@lists.linux.dev, linux-fsdevel@vger.kernel.org,
linux-xfs@vger.kernel.org, linux-unionfs@vger.kernel.org,
linux-ext4@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-btrfs@vger.kernel.org, david@fromorbit.com
Subject: Re: [PATCH v16 12/21] xfs: use read ioend for fsverity data verification
Date: Tue, 22 Sep 2026 00:18:14 -0700 [thread overview]
Message-ID: <arIrtgZ3-9zNuru_@infradead.org> (raw)
In-Reply-To: <20260918111539.1003439-13-aalbersh@kernel.org>
On Fri, Sep 18, 2026 at 01:15:24PM +0200, Andrey Albershteyn wrote:
> + if (IS_ENABLED(CONFIG_FS_VERITY) && !error && ioend->io_vi &&
> + xfs_fsverity_is_file_data(ip, ioend->io_offset)) {
> + if (ioend->io_flags & IOMAP_IOEND_INTEGRITY) {
> + fsv_ioend = kmem_cache_zalloc(xfs_fsverity_ioend_cache,
> + GFP_KERNEL);
> + if (!fsv_ioend) {
This needs a mempool to be deadlock safe.
> + iomap_finish_ioends(ioend, -ENOMEM);
> + return;
> + }
> + fsv_ioend->ioend = ioend;
> + INIT_WORK(&fsv_ioend->work, xfs_end_fsverity_io_read);
> +
> + fsverity_enqueue_verify_work(&fsv_ioend->work);
> + return;
> + }
> +
> + fsverity_verify_bio(ioend->io_vi, &ioend->io_bio);
> + error = blk_status_to_errno(ioend->io_bio.bi_status);
And I think you always need to do the offload because fsverity can
synchronously read metadata.
next prev parent reply other threads:[~2026-09-22 7:18 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-18 11:15 [PATCH v16 00/21] fs-verity support for XFS with post EOF merkle tree Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 01/21] fsverity: report validation errors through fserror to fsnotify Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 02/21] fsverity: expose ensure_fsverity_info() Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 03/21] fsverity: pass digest size and hash of the all-zeroes block to ->write Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 04/21] fsverity: hoist pagecache_read from f2fs/ext4 to fsverity Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 05/21] fsverity: don't allow setting DAX file attribute on fsverity files Andrey Albershteyn
2026-09-25 4:35 ` Eric Biggers
2026-09-18 11:15 ` [PATCH v16 06/21] fsverity: hoist statx reporting of fs-verity flag Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 07/21] xfs: introduce fsverity on-disk changes Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 08/21] xfs: don't allow to enable DAX on fs-verity sealed inode Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 09/21] xfs: disable direct read path for fs-verity files Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 10/21] xfs: don't report dio_mem_align and dio_offset_align for fsverity files Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 11/21] xfs: handle fsverity I/O in write/read path Andrey Albershteyn
2026-09-22 7:15 ` Christoph Hellwig
2026-09-18 11:15 ` [PATCH v16 12/21] xfs: use read ioend for fsverity data verification Andrey Albershteyn
2026-09-22 4:29 ` Darrick J. Wong
2026-09-22 7:18 ` Christoph Hellwig [this message]
2026-09-22 9:13 ` Andrey Albershteyn
2026-09-22 12:31 ` Christoph Hellwig
2026-09-22 13:17 ` Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 13/21] xfs: add XFS_BMAPI_UNWRITTEN to unmap unwritten extents in __xfs_bunmapi() Andrey Albershteyn
2026-09-22 4:34 ` Darrick J. Wong
2026-09-22 7:20 ` Christoph Hellwig
2026-09-22 8:32 ` Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 14/21] xfs: don't remove written extents past EOF on fsverity inodes Andrey Albershteyn
2026-09-22 4:37 ` Darrick J. Wong
2026-09-22 8:33 ` Andrey Albershteyn
2026-09-22 11:29 ` Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 15/21] xfs: add fs-verity support Andrey Albershteyn
2026-09-22 4:45 ` Darrick J. Wong
2026-09-22 9:27 ` Andrey Albershteyn
2026-09-22 7:22 ` Christoph Hellwig
2026-09-22 8:56 ` Andrey Albershteyn
2026-09-22 12:32 ` Christoph Hellwig
2026-09-22 13:27 ` Andrey Albershteyn
2026-09-23 4:44 ` Christoph Hellwig
2026-09-18 11:15 ` [PATCH v16 16/21] xfs: initialize fs-verity on file open Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 17/21] xfs: add fs-verity ioctls Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 18/21] xfs: advertise fs-verity being available on filesystem Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 19/21] xfs: check and repair the verity inode flag state Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 20/21] xfs: introduce health state for corrupted fsverity metadata Andrey Albershteyn
2026-09-18 11:15 ` [PATCH v16 21/21] xfs: enable ro-compat fs-verity flag Andrey Albershteyn
2026-09-22 4:51 ` [PATCH v16 00/21] fs-verity support for XFS with post EOF merkle tree Darrick J. Wong
2026-09-22 9:00 ` Andrey Albershteyn
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