169 orangefs_bufmap_unmap(struct orangefs_bufmap *bufmap)  in orangefs_bufmap_unmap()  argument
173 	for (i = 0; i < bufmap->page_count; i++)  in orangefs_bufmap_unmap()
174 		put_page(bufmap->page_array[i]);  in orangefs_bufmap_unmap()
178 orangefs_bufmap_free(struct orangefs_bufmap *bufmap)  in orangefs_bufmap_free()  argument
180 	kfree(bufmap->page_array);  in orangefs_bufmap_free()
181 	kfree(bufmap->desc_array);  in orangefs_bufmap_free()
182 	kfree(bufmap->buffer_index_array);  in orangefs_bufmap_free()
183 	kfree(bufmap);  in orangefs_bufmap_free()
193 	struct orangefs_bufmap *bufmap;  in orangefs_bufmap_size_query()  local
196 	bufmap = __orangefs_bufmap;  in orangefs_bufmap_size_query()
197 	if (bufmap)  in orangefs_bufmap_size_query()
198 		size = bufmap->desc_size;  in orangefs_bufmap_size_query()
205 	struct orangefs_bufmap *bufmap;  in orangefs_bufmap_shift_query()  local
208 	bufmap = __orangefs_bufmap;  in orangefs_bufmap_shift_query()
209 	if (bufmap)  in orangefs_bufmap_shift_query()
210 		shift = bufmap->desc_shift;  in orangefs_bufmap_shift_query()
221 	struct orangefs_bufmap *bufmap;  in orangefs_bufmap_alloc()  local
223 	bufmap = kzalloc(sizeof(*bufmap), GFP_KERNEL);  in orangefs_bufmap_alloc()
224 	if (!bufmap)  in orangefs_bufmap_alloc()
227 	bufmap->total_size = user_desc->total_size;  in orangefs_bufmap_alloc()
228 	bufmap->desc_count = user_desc->count;  in orangefs_bufmap_alloc()
229 	bufmap->desc_size = user_desc->size;  in orangefs_bufmap_alloc()
230 	bufmap->desc_shift = ilog2(bufmap->desc_size);  in orangefs_bufmap_alloc()
232 	bufmap->buffer_index_array =  in orangefs_bufmap_alloc()
233 		kzalloc(DIV_ROUND_UP(bufmap->desc_count, BITS_PER_LONG), GFP_KERNEL);  in orangefs_bufmap_alloc()
234 	if (!bufmap->buffer_index_array)  in orangefs_bufmap_alloc()
237 	bufmap->desc_array =  in orangefs_bufmap_alloc()
238 		kcalloc(bufmap->desc_count, sizeof(struct orangefs_bufmap_desc),  in orangefs_bufmap_alloc()
240 	if (!bufmap->desc_array)  in orangefs_bufmap_alloc()
243 	bufmap->page_count = bufmap->total_size / PAGE_SIZE;  in orangefs_bufmap_alloc()
246 	bufmap->page_array =  in orangefs_bufmap_alloc()
247 		kcalloc(bufmap->page_count, sizeof(struct page *), GFP_KERNEL);  in orangefs_bufmap_alloc()
248 	if (!bufmap->page_array)  in orangefs_bufmap_alloc()
251 	return bufmap;  in orangefs_bufmap_alloc()
254 	kfree(bufmap->desc_array);  in orangefs_bufmap_alloc()
256 	kfree(bufmap->buffer_index_array);  in orangefs_bufmap_alloc()
258 	kfree(bufmap);  in orangefs_bufmap_alloc()
264 orangefs_bufmap_map(struct orangefs_bufmap *bufmap,  in orangefs_bufmap_map()  argument
267 	int pages_per_desc = bufmap->desc_size / PAGE_SIZE;  in orangefs_bufmap_map()
272 			     bufmap->page_count, 1, bufmap->page_array);  in orangefs_bufmap_map()
277 	if (ret != bufmap->page_count) {  in orangefs_bufmap_map()
279 				bufmap->page_count, ret);  in orangefs_bufmap_map()
282 			SetPageError(bufmap->page_array[i]);  in orangefs_bufmap_map()
283 			put_page(bufmap->page_array[i]);  in orangefs_bufmap_map()
294 	for (i = 0; i < bufmap->page_count; i++)  in orangefs_bufmap_map()
295 		flush_dcache_page(bufmap->page_array[i]);  in orangefs_bufmap_map()
298 	for (offset = 0, i = 0; i < bufmap->desc_count; i++) {  in orangefs_bufmap_map()
299 		bufmap->desc_array[i].page_array = &bufmap->page_array[offset];  in orangefs_bufmap_map()
300 		bufmap->desc_array[i].array_count = pages_per_desc;  in orangefs_bufmap_map()
301 		bufmap->desc_array[i].uaddr =  in orangefs_bufmap_map()
318 	struct orangefs_bufmap *bufmap;  in orangefs_bufmap_initialize()  local
367 	bufmap = orangefs_bufmap_alloc(user_desc);  in orangefs_bufmap_initialize()
368 	if (!bufmap)  in orangefs_bufmap_initialize()
371 	ret = orangefs_bufmap_map(bufmap, user_desc);  in orangefs_bufmap_initialize()
383 	__orangefs_bufmap = bufmap;  in orangefs_bufmap_initialize()
385 		bufmap->desc_count,  in orangefs_bufmap_initialize()
386 		bufmap->buffer_index_array);  in orangefs_bufmap_initialize()
389 		bufmap->readdir_index_array);  in orangefs_bufmap_initialize()
397 	orangefs_bufmap_unmap(bufmap);  in orangefs_bufmap_initialize()
399 	orangefs_bufmap_free(bufmap);  in orangefs_bufmap_initialize()
414 	struct orangefs_bufmap *bufmap = __orangefs_bufmap;  in orangefs_bufmap_finalize()  local
415 	if (!bufmap)  in orangefs_bufmap_finalize()
426 	struct orangefs_bufmap *bufmap = __orangefs_bufmap;  in orangefs_bufmap_run_down()  local
427 	if (!bufmap)  in orangefs_bufmap_run_down()
434 	orangefs_bufmap_unmap(bufmap);  in orangefs_bufmap_run_down()
435 	orangefs_bufmap_free(bufmap);  in orangefs_bufmap_run_down()