Re: [PATCH] exfat: add the dummy mount options to be backward compatible with staging/exfat

From: Al Viro
Date: Thu May 21 2020 - 13:32:06 EST


On Thu, May 21, 2020 at 09:20:34PM +0900, Namjae Jeon wrote:
> As Ubuntu and Fedora release new version used kernel version equal to or
> higher than v5.4, They started to support kernel exfat filesystem.
>
> Linus Torvalds reported mount error with new version of exfat on Fedora.
>
> exfat: Unknown parameter 'namecase'
>
> This is because there is a difference in mount option between old
> staging/exfat and new exfat.
> And utf8, debug, and codepage options as well as namecase have been
> removed from new exfat.
>
> This patch add the dummy mount options as deprecated option to be backward
> compatible with old one.
>
> Reported-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Suggested-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>

Do you want that to go via vfs.git #fixes, or would you rather have Linus
apply it straight to mainline?