---- 在 星期三, 2020-04-22 15:29:33 Miklos Szeredi <miklos@xxxxxxxxxx> 撰写 ----
> On Wed, Apr 22, 2020 at 6:29 AM Chengguang Xu <cgxu519@xxxxxxxxxxxx> wrote:
> >
> > sync_filesystem() does not sync dirty data for readonly
> > filesystem during umount, so before changing to readonly
> > filesystem we should sync dirty data for data integrity.
>
> Isn't the same true for ->put_super()?
>
Before getting into ->put_super(), dirty data have been synced through below functions,
so I think we don't have to worry about ->put_super().
kill_anon_super()
generic_shutdown_super()
sync_filesystem()
Thanks,
cgxu
