Re: [PATCH 4/6] mm: migrate: Provide buffer_migrate_page_norefs()

Jan Kara
2018-12-14T09:26:28Z

On Thu 13-12-18 20:53:53, Andrew Morton wrote:
> On Tue, 11 Dec 2018 18:21:41 +0100 Jan Kara <jack@suse.cz> wrote:
>
> > Provide a variant of buffer_migrate_page() that also checks whether
> > there are no unexpected references to buffer heads. This function will
> > then be safe to use for block device pages.
> >
> > ...
> >
> > +EXPORT_SYMBOL(buffer_migrate_page_norefs);
>
> The export is presently unneeded and I don't think we expect that this
> will be used by anything other than fs/block_dev.c?

Good point. We can always re-add the export if someone needs it. Thanks for
removing it!

Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR