218 void nfs_pageio_init(struct nfs_pageio_descriptor *desc,  in nfs_pageio_init()  argument
224 	INIT_LIST_HEAD(&desc->pg_list);  in nfs_pageio_init()
225 	desc->pg_bytes_written = 0;  in nfs_pageio_init()
226 	desc->pg_count = 0;  in nfs_pageio_init()
227 	desc->pg_bsize = bsize;  in nfs_pageio_init()
228 	desc->pg_base = 0;  in nfs_pageio_init()
229 	desc->pg_inode = inode;  in nfs_pageio_init()
230 	desc->pg_doio = doio;  in nfs_pageio_init()
231 	desc->pg_ioflags = io_flags;  in nfs_pageio_init()
232 	desc->pg_error = 0;  in nfs_pageio_init()
272 static int nfs_pageio_do_add_request(struct nfs_pageio_descriptor *desc,  in nfs_pageio_do_add_request()  argument
277 	if (desc->pg_count != 0) {  in nfs_pageio_do_add_request()
287 		if (desc->pg_bsize < PAGE_SIZE)  in nfs_pageio_do_add_request()
289 		newlen += desc->pg_count;  in nfs_pageio_do_add_request()
290 		if (newlen > desc->pg_bsize)  in nfs_pageio_do_add_request()
292 		prev = nfs_list_entry(desc->pg_list.prev);  in nfs_pageio_do_add_request()
296 		desc->pg_base = req->wb_pgbase;  in nfs_pageio_do_add_request()
298 	nfs_list_add_request(req, &desc->pg_list);  in nfs_pageio_do_add_request()
299 	desc->pg_count = newlen;  in nfs_pageio_do_add_request()
306 static void nfs_pageio_doio(struct nfs_pageio_descriptor *desc)  in nfs_pageio_doio()  argument
308 	if (!list_empty(&desc->pg_list)) {  in nfs_pageio_doio()
309 		int error = desc->pg_doio(desc->pg_inode,  in nfs_pageio_doio()
310 					  &desc->pg_list,  in nfs_pageio_doio()
311 					  nfs_page_array_len(desc->pg_base,  in nfs_pageio_doio()
312 							     desc->pg_count),  in nfs_pageio_doio()
313 					  desc->pg_count,  in nfs_pageio_doio()
314 					  desc->pg_ioflags);  in nfs_pageio_doio()
316 			desc->pg_error = error;  in nfs_pageio_doio()
318 			desc->pg_bytes_written += desc->pg_count;  in nfs_pageio_doio()
320 	if (list_empty(&desc->pg_list)) {  in nfs_pageio_doio()
321 		desc->pg_count = 0;  in nfs_pageio_doio()
322 		desc->pg_base = 0;  in nfs_pageio_doio()
334 int nfs_pageio_add_request(struct nfs_pageio_descriptor *desc,  in nfs_pageio_add_request()  argument
337 	while (!nfs_pageio_do_add_request(desc, req)) {  in nfs_pageio_add_request()
338 		nfs_pageio_doio(desc);  in nfs_pageio_add_request()
339 		if (desc->pg_error < 0)  in nfs_pageio_add_request()
349 void nfs_pageio_complete(struct nfs_pageio_descriptor *desc)  in nfs_pageio_complete()  argument
351 	nfs_pageio_doio(desc);  in nfs_pageio_complete()
365 void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *desc, pgoff_t index)  in nfs_pageio_cond_complete()  argument
367 	if (!list_empty(&desc->pg_list)) {  in nfs_pageio_cond_complete()
368 		struct nfs_page *prev = nfs_list_entry(desc->pg_list.prev);  in nfs_pageio_cond_complete()
370 			nfs_pageio_doio(desc);  in nfs_pageio_cond_complete()