On Tue, Sep 15, 2020 at 06:19:26PM +0200, Christoph Hellwig wrote: > > + /* We decrease one since the prvious last sge in used to > > + * chainning. > > + */ > > The normal style would be: It is netdev style of formatting, will change. > > /* > * We decrease one since the prvious last sge in used to > * chain the chunks together. > */ > > (also fixing up what I think it should be saying while I'm at it) > > > + * Thus if @nents is bigger than @max_ents, the scatterlists will be > > + * chained in units of @max_ents. > > + * > > + **/ > > +static int sg_alloc_next(struct sg_table *table, struct scatterlist *last, > > + unsigned int nents, unsigned int max_ents, > > + gfp_t gfp_mask) > > +{ > > + return sg_alloc(table, last, nents, max_ents, NULL, 0, gfp_mask, > > + sg_kmalloc); > > +} > > This helper seems unused in this patch. For bisection you probably > want to move it into the next patch with the user. > > In fact I'm not even sure there is much of a point in splitting out > this patch either. We will squash.