Re: (subset) [PATCH 4/6] mm: Fix filemap_invalidate_inode() to use invalidate_inode_pages2_range()

[Steve French <smfrench@gmail.com>]

This looks like an important one as it fixes multiple xfstests see e.g.
with the patch:
http://smb311-linux-testing.southcentralus.cloudapp.azure.com/#/builders/3/builds/213
vs without
http://smb311-linux-testing.southcentralus.cloudapp.azure.com/#/builders/3/builds/212

Can add:
Tested--by: Steve French <stfrench@microsoft.com>

On Fri, Aug 30, 2024 at 8:12 AM Christian Brauner <brauner@kernel.org> wrote:
>
> On Wed, 28 Aug 2024 22:02:45 +0100, David Howells wrote:
> > Fix filemap_invalidate_inode() to use invalidate_inode_pages2_range()
> > rather than truncate_inode_pages_range().  The latter clears the
> > invalidated bit of a partial pages rather than discarding it entirely.
> > This causes copy_file_range() to fail on cifs because the partial pages at
> > either end of the destination range aren't evicted and reread, but rather
> > just partly cleared.
> >
> > [...]
>
> 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
>
> [4/6] mm: Fix filemap_invalidate_inode() to use invalidate_inode_pages2_range()
>       https://git.kernel.org/vfs/vfs/c/c26096ee0278
>


-- 
Thanks,

Steve