On Thu, 2017-10-12 at 16:52 -0600, Jens Axboe wrote: > On 10/12/2017 04:45 PM, Bart Van Assche wrote: > > +++ b/include/linux/sgl_alloc.h > > @@ -0,0 +1,16 @@ > > +#ifndef _SGL_ALLOC_H_ > > +#define _SGL_ALLOC_H_ > > + > > +#include <linux/types.h> /* bool, gfp_t */ > > + > > +struct scatterlist; > > + > > +struct scatterlist *sgl_alloc_order(unsigned long long length, > > + unsigned int order, unsigned int *nent_p, > > + gfp_t gfp, bool chainable); > > +struct scatterlist *sgl_alloc(unsigned long long length, unsigned int *nent_p, > > + gfp_t gfp); > > +void sgl_free_order(struct scatterlist *sgl, int order); > > +void sgl_free(struct scatterlist *sgl); > > + > > +#endif /* _SGL_ALLOC_H_ */ > > Should this just go into linux/scatterlist.h instead of creating a new header > file? That's something I can change. I don't have a strong opinion about whether these declarations should go into a new header file or into linux/scatterlist.h. Bart.