117 			      struct readahead_control *ractl)  in netfs_rreq_expand()  argument
139 	if (rreq->start  != readahead_pos(ractl) ||  in netfs_rreq_expand()
140 	    rreq->len != readahead_length(ractl)) {  in netfs_rreq_expand()
141 		readahead_expand(ractl, rreq->start, rreq->len);  in netfs_rreq_expand()
142 		rreq->start  = readahead_pos(ractl);  in netfs_rreq_expand()
143 		rreq->len = readahead_length(ractl);  in netfs_rreq_expand()
145 		trace_netfs_read(rreq, readahead_pos(ractl), readahead_length(ractl),  in netfs_rreq_expand()
165 void netfs_readahead(struct readahead_control *ractl)  in netfs_readahead()  argument
168 	struct netfs_inode *ctx = netfs_inode(ractl->mapping->host);  in netfs_readahead()
171 	_enter("%lx,%x", readahead_index(ractl), readahead_count(ractl));  in netfs_readahead()
173 	if (readahead_count(ractl) == 0)  in netfs_readahead()
176 	rreq = netfs_alloc_request(ractl->mapping, ractl->file,  in netfs_readahead()
177 				   readahead_pos(ractl),  in netfs_readahead()
178 				   readahead_length(ractl),  in netfs_readahead()
190 	trace_netfs_read(rreq, readahead_pos(ractl), readahead_length(ractl),  in netfs_readahead()
193 	netfs_rreq_expand(rreq, ractl);  in netfs_readahead()
198 	while (readahead_folio(ractl))  in netfs_readahead()
351 	DEFINE_READAHEAD(ractl, file, NULL, mapping, index);  in netfs_write_begin()
405 	ractl._nr_pages = folio_nr_pages(folio);  in netfs_write_begin()
406 	netfs_rreq_expand(rreq, &ractl);  in netfs_write_begin()
410 	while (readahead_folio(&ractl))  in netfs_write_begin()