185 		       struct splice_pipe_desc *spd)  in splice_to_pipe()  argument
187 	unsigned int spd_pages = spd->nr_pages;  in splice_to_pipe()
203 		buf->page = spd->pages[page_nr];  in splice_to_pipe()
204 		buf->offset = spd->partial[page_nr].offset;  in splice_to_pipe()
205 		buf->len = spd->partial[page_nr].len;  in splice_to_pipe()
206 		buf->private = spd->partial[page_nr].private;  in splice_to_pipe()
207 		buf->ops = spd->ops;  in splice_to_pipe()
214 		if (!--spd->nr_pages)  in splice_to_pipe()
223 		spd->spd_release(spd, page_nr++);  in splice_to_pipe()
253 int splice_grow_spd(const struct pipe_inode_info *pipe, struct splice_pipe_desc *spd)  in splice_grow_spd()  argument
257 	spd->nr_pages_max = buffers;  in splice_grow_spd()
261 	spd->pages = kmalloc_array(buffers, sizeof(struct page *), GFP_KERNEL);  in splice_grow_spd()
262 	spd->partial = kmalloc_array(buffers, sizeof(struct partial_page),  in splice_grow_spd()
265 	if (spd->pages && spd->partial)  in splice_grow_spd()
268 	kfree(spd->pages);  in splice_grow_spd()
269 	kfree(spd->partial);  in splice_grow_spd()
273 void splice_shrink_spd(struct splice_pipe_desc *spd)  in splice_shrink_spd()  argument
275 	if (spd->nr_pages_max <= PIPE_DEF_BUFFERS)  in splice_shrink_spd()
278 	kfree(spd->pages);  in splice_shrink_spd()
279 	kfree(spd->partial);  in splice_shrink_spd()