Re: [PATCH v2] ntfs: compare streams_interface with mounted volume on remount

[Namjae Jeon]

On Mon, Oct 12, 2026 at 8:28 PM DaeMyung Kang <charsyam@xxxxxxxxx> wrote:
>
> During reconfiguration, fc->s_fs_info points to a newly allocated
> ntfs_volume. It does not contain the mounted volume's stream setting.
> Consequently, a windows mount rejects a remount with the same
> streams_interface=windows setting, but accepts streams_interface=none
> without changing the active pathname interface. This also breaks an
> ordinary read-only remount when the existing windows setting is passed
> again, for example from fstab.
>
> Compare the requested setting with the mounted volume instead. Report
> an unsupported change with ntfs_warning() so it does not invoke the
> mounted filesystem's error-handling policy.
>
> Fixes: 2de2cdd9cc08 ("ntfs: add pathname access for named streams")
> Signed-off-by: DaeMyung Kang <charsyam@xxxxxxxxx>
Applied it to #ntfs-next.
Thanks!