linux-ext4 - Re: [PATCHSET v5] fs: generic file IO error reporting

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Message-ID: <20260113-ortsbegehung-erklettern-a8cde9472f0d@brauner>
Date: Tue, 13 Jan 2026 09:58:29 +0100
From: Christian Brauner <brauner@...nel.org>
To: "Darrick J. Wong" <djwong@...nel.org>
Cc: Christian Brauner <brauner@...nel.org>,
	linux-api@...r.kernel.org,
	jack@...e.cz,
	hch@....de,
	linux-xfs@...r.kernel.org,
	linux-ext4@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	gabriel@...sman.be,
	amir73il@...il.com,
	Gao Xiang <xiang@...nel.org>
Subject: Re: [PATCHSET v5] fs: generic file IO error reporting

On Mon, 12 Jan 2026 16:31:03 -0800, Darrick J. Wong wrote:
> This patchset adds some generic helpers so that filesystems can report
> errors to fsnotify in a standard way.  Then it adapts iomap to use the
> generic helpers so that any iomap-enabled filesystem can report I/O
> errors through this mechanism as well.  Finally, it makes XFS report
> metadata errors through this mechanism in much the same way that ext4
> does now.
> 
> [...]

Applied to the vfs-7.0.fserror branch of the vfs/vfs.git tree.
Patches in the vfs-7.0.fserror branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs-7.0.fserror

[1/6] uapi: promote EFSCORRUPTED and EUCLEAN to errno.h
      https://git.kernel.org/vfs/vfs/c/602544773763
[2/6] fs: report filesystem and file I/O errors to fsnotify
      https://git.kernel.org/vfs/vfs/c/21945e6cb516
[3/6] iomap: report file I/O errors to the VFS
      https://git.kernel.org/vfs/vfs/c/a9d573ee88af
[4/6] xfs: report fs metadata errors via fsnotify
      https://git.kernel.org/vfs/vfs/c/efd87a100729
[5/6] xfs: translate fsdax media errors into file "data lost" errors when convenient
      https://git.kernel.org/vfs/vfs/c/94503211d2fd
[6/6] ext4: convert to new fserror helpers
      https://git.kernel.org/vfs/vfs/c/81d2e13a57c9