169 orangefs_bufmap_unmap(struct orangefs_bufmap *bufmap)  in orangefs_bufmap_unmap()  argument
171 	unpin_user_pages(bufmap->page_array, bufmap->page_count);  in orangefs_bufmap_unmap()
175 orangefs_bufmap_free(struct orangefs_bufmap *bufmap)  in orangefs_bufmap_free()  argument
177 	kfree(bufmap->page_array);  in orangefs_bufmap_free()
178 	kfree(bufmap->desc_array);  in orangefs_bufmap_free()
179 	bitmap_free(bufmap->buffer_index_array);  in orangefs_bufmap_free()
180 	kfree(bufmap);  in orangefs_bufmap_free()
190 	struct orangefs_bufmap *bufmap;  in orangefs_bufmap_size_query()  local
193 	bufmap = __orangefs_bufmap;  in orangefs_bufmap_size_query()
194 	if (bufmap)  in orangefs_bufmap_size_query()
195 		size = bufmap->desc_size;  in orangefs_bufmap_size_query()
206 	struct orangefs_bufmap *bufmap;  in orangefs_bufmap_alloc()  local
208 	bufmap = kzalloc(sizeof(*bufmap), GFP_KERNEL);  in orangefs_bufmap_alloc()
209 	if (!bufmap)  in orangefs_bufmap_alloc()
212 	bufmap->total_size = user_desc->total_size;  in orangefs_bufmap_alloc()
213 	bufmap->desc_count = user_desc->count;  in orangefs_bufmap_alloc()
214 	bufmap->desc_size = user_desc->size;  in orangefs_bufmap_alloc()
215 	bufmap->desc_shift = ilog2(bufmap->desc_size);  in orangefs_bufmap_alloc()
217 	bufmap->buffer_index_array = bitmap_zalloc(bufmap->desc_count, GFP_KERNEL);  in orangefs_bufmap_alloc()
218 	if (!bufmap->buffer_index_array)  in orangefs_bufmap_alloc()
221 	bufmap->desc_array =  in orangefs_bufmap_alloc()
222 		kcalloc(bufmap->desc_count, sizeof(struct orangefs_bufmap_desc),  in orangefs_bufmap_alloc()
224 	if (!bufmap->desc_array)  in orangefs_bufmap_alloc()
227 	bufmap->page_count = bufmap->total_size / PAGE_SIZE;  in orangefs_bufmap_alloc()
230 	bufmap->page_array =  in orangefs_bufmap_alloc()
231 		kcalloc(bufmap->page_count, sizeof(struct page *), GFP_KERNEL);  in orangefs_bufmap_alloc()
232 	if (!bufmap->page_array)  in orangefs_bufmap_alloc()
235 	return bufmap;  in orangefs_bufmap_alloc()
238 	kfree(bufmap->desc_array);  in orangefs_bufmap_alloc()
240 	bitmap_free(bufmap->buffer_index_array);  in orangefs_bufmap_alloc()
242 	kfree(bufmap);  in orangefs_bufmap_alloc()
248 orangefs_bufmap_map(struct orangefs_bufmap *bufmap,  in orangefs_bufmap_map()  argument
251 	int pages_per_desc = bufmap->desc_size / PAGE_SIZE;  in orangefs_bufmap_map()
256 			     bufmap->page_count, FOLL_WRITE, bufmap->page_array);  in orangefs_bufmap_map()
261 	if (ret != bufmap->page_count) {  in orangefs_bufmap_map()
263 				bufmap->page_count, ret);  in orangefs_bufmap_map()
266 			unpin_user_page(bufmap->page_array[i]);  in orangefs_bufmap_map()
276 	for (i = 0; i < bufmap->page_count; i++)  in orangefs_bufmap_map()
277 		flush_dcache_page(bufmap->page_array[i]);  in orangefs_bufmap_map()
280 	for (offset = 0, i = 0; i < bufmap->desc_count; i++) {  in orangefs_bufmap_map()
281 		bufmap->desc_array[i].page_array = &bufmap->page_array[offset];  in orangefs_bufmap_map()
282 		bufmap->desc_array[i].array_count = pages_per_desc;  in orangefs_bufmap_map()
283 		bufmap->desc_array[i].uaddr =  in orangefs_bufmap_map()
300 	struct orangefs_bufmap *bufmap;  in orangefs_bufmap_initialize()  local
349 	bufmap = orangefs_bufmap_alloc(user_desc);  in orangefs_bufmap_initialize()
350 	if (!bufmap)  in orangefs_bufmap_initialize()
353 	ret = orangefs_bufmap_map(bufmap, user_desc);  in orangefs_bufmap_initialize()
365 	__orangefs_bufmap = bufmap;  in orangefs_bufmap_initialize()
367 		bufmap->desc_count,  in orangefs_bufmap_initialize()
368 		bufmap->buffer_index_array);  in orangefs_bufmap_initialize()
371 		bufmap->readdir_index_array);  in orangefs_bufmap_initialize()
379 	orangefs_bufmap_unmap(bufmap);  in orangefs_bufmap_initialize()
381 	orangefs_bufmap_free(bufmap);  in orangefs_bufmap_initialize()
396 	struct orangefs_bufmap *bufmap = __orangefs_bufmap;  in orangefs_bufmap_finalize()  local
397 	if (!bufmap)  in orangefs_bufmap_finalize()
408 	struct orangefs_bufmap *bufmap = __orangefs_bufmap;  in orangefs_bufmap_run_down()  local
409 	if (!bufmap)  in orangefs_bufmap_run_down()
416 	orangefs_bufmap_unmap(bufmap);  in orangefs_bufmap_run_down()
417 	orangefs_bufmap_free(bufmap);  in orangefs_bufmap_run_down()