Re: [PATCH v3] iomap: replace folio_batch allocation with stack allocation

[Christian Brauner <brauner@kernel.org>]

On Mon, 08 Dec 2025 09:05:48 -0500, Brian Foster wrote:
> Zhang Yi points out that the dynamic folio_batch allocation in
> iomap_fill_dirty_folios() is problematic for the ext4 on iomap work
> that is under development because it doesn't sufficiently handle the
> allocation failure case (by allowing a retry, for example). We've
> also seen lockdep (via syzbot) complain recently about the scope of
> the allocation.
> 
> [...]

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] iomap: replace folio_batch allocation with stack allocation
      https://git.kernel.org/vfs/vfs/c/ed61378b4dc6