Re: [PATCH 3/7] zsmalloc: switch handle type to struct zs_handle

[Sergey Senozhatsky <senozhatsky@chromium.org>]

On (26/11/05 17:03), Yosry Ahmed wrote:
[..]
> > -void zs_obj_read_sg_begin(struct zs_pool *pool, unsigned long handle,
> > +void zs_obj_read_sg_begin(struct zs_pool *pool, struct zs_handle *handle,
> >  			  struct scatterlist *sg, size_t mem_len);
> > -void zs_obj_read_sg_end(struct zs_pool *pool, unsigned long handle);
> > -void zs_obj_write(struct zs_pool *pool, unsigned long handle,
> > +void zs_obj_read_sg_end(struct zs_pool *pool, struct zs_handle *handle);
> > +void zs_obj_write(struct zs_pool *pool, struct zs_handle *handle,
> >  		  void *handle_mem, size_t mem_len);
> 
> I would squash patch 7's constification here.

Ack.

[..]
> >  static inline bool obj_allocated(struct zpdesc *zpdesc, void *obj,
> > -				 unsigned long *phandle)
> > +				 struct zs_handle **phandle)
> >  {
> >  	unsigned long handle;
> >  	struct zspage *zspage = get_zspage(zpdesc);
> > @@ -839,7 +843,7 @@ static inline bool obj_allocated(struct zpdesc *zpdesc, void *obj,
> >  		return false;
> >  
> >  	/* Clear all tags before returning the handle */
> > -	*phandle = handle & ~OBJ_TAG_MASK;
> > +	*phandle = (struct zs_handle *)(handle & ~OBJ_TAG_MASK);
> >  	return true;
> >  }
> 
> Would it be cleaerer if obj_allocated() just returned the handle here? I
> believe this can be done separately in a prep patch.

Ack.