On Wed 15-06-22 23:08:22, Christoph Hellwig wrote: > On Wed, Jun 15, 2022 at 11:48:15PM +0200, Jan Kara wrote: > > +extern int bdi_init(struct backing_dev_info *bdi); > > No need for the extern. Yes, fixed up. > Otherwise looks good: > > Reviewed-by: Christoph Hellwig <hch@xxxxxx> Thanks for review! > And this remind me that I really want to kill noop_backing_dev_info > and just use a NULL bdi for this case eventually.. Yes, I'm just not sure whether the checks for bdi / wb being NULL in lots of places will not be too annoying... But maybe you'll be able to come up with some wrappers that will make things bearable. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR