linux-kernel - Re: [PATCH] netfs: Fix kernel async DIO

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Message-ID: <20250109-sonntag-surfen-6f60a9399120@brauner>
Date: Thu,  9 Jan 2025 17:19:39 +0100
From: Christian Brauner <brauner@...nel.org>
To: David Howells <dhowells@...hat.com>
Cc: Christian Brauner <brauner@...nel.org>,
	Nicolas Baranger <nicolas.baranger@....fr>,
	Paulo Alcantara <pc@...guebit.com>,
	Steve French <smfrench@...il.com>,
	Jeff Layton <jlayton@...nel.org>,
	netfs@...ts.linux.dev,
	linux-cifs@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netfs: Fix kernel async DIO

On Tue, 07 Jan 2025 18:39:27 +0000, David Howells wrote:
> Netfslib needs to be able to handle kernel-initiated asynchronous DIO that
> is supplied with a bio_vec[] array.  Currently, because of the async flag,
> this gets passed to netfs_extract_user_iter() which throws a warning and
> fails because it only handles IOVEC and UBUF iterators.  This can be
> triggered through a combination of cifs and a loopback blockdev with
> something like:
> 
> [...]

Applied to the vfs.fixes branch of the vfs/vfs.git tree.
Patches in the vfs.fixes 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.fixes

[1/1] netfs: Fix kernel async DIO
      https://git.kernel.org/vfs/vfs/c/3f6bc9e3ab9b