Re: [PATCH 2/2] ntfs3: remove warning

[Johan Hovold <johan@kernel.org>]

On Thu, Apr 11, 2024 at 02:03:52PM +0300, Konstantin Komarov wrote:
> On 04.04.2024 11:06, Linux regression tracking (Thorsten Leemhuis) wrote:
> > On 25.03.24 13:05, Christian Brauner wrote:
> >> On Mon, Mar 25, 2024 at 11:12:00AM +0100, Johan Hovold wrote:
> >>> On Mon, Mar 25, 2024 at 09:34:38AM +0100, Christian Brauner wrote:
> >>>> This causes visible changes for users that rely on ntfs3 to serve as an
> >>>> alternative for the legacy ntfs driver. Print statements such as this
> >>>> should probably be made conditional on a debug config option or similar.
> >>>>
> >>>> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
> >>>> Cc: Johan Hovold <johan@kernel.org>
> >>>> Link: https://lore.kernel.org/r/Zf2zPf5TO5oYt3I3@hovoldconsulting.com
> >>>> Signed-off-by: Christian Brauner <brauner@kernel.org>
> >>> Tested-by: Johan Hovold <johan+linaro@kernel.org>
> >>>
> >>> I also see a
> >>>
> >>> 	ntfs3: Max link count 4000
> >>>
> >>> message on mount which wasn't there with NTFS legacy. Is that benign
> >>> and should be suppressed too perhaps?
> >> We need a reply from the ntfs3 maintainers here.

> There is no problem in suppressing the output of any messages during 
> mounting, like:

> Messages like this:
> 
> diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
> index eb7a8c9fba01..8cc94a6a97ed 100644
> --- a/fs/ntfs3/inode.c
> +++ b/fs/ntfs3/inode.c
> @@ -424,7 +424,6 @@ static struct inode *ntfs_read_mft(struct inode *inode,
>      if (names != le16_to_cpu(rec->hard_links)) {
>          /* Correct minor error on the fly. Do not mark inode as dirty. */
> -        ntfs_inode_warn(inode, "Correct links count -> %u.", names);
>          rec->hard_links = cpu_to_le16(names);
>          ni->mi.dirty = true;
>      }
> 
> can also be suppressed for the sake of seamless transition from a remote 
> NTFS driver.
> However, I believe that file system corrections should be reported to 
> the user.

A colleague of mine also tracked down a failed boot to the removal of
the ntfs driver and reported seeing similar warnings with the ntfs3
driver.

We're both accessing an NTFS partition on a Windows on Arm device, but
it makes you wonder whether these warnings (corrections) are correct or
indicative of a problem in the driver?

Johan