23 	struct cachefiles_one_read *monitor =  in cachefiles_read_waiter()  local
24 		container_of(wait, struct cachefiles_one_read, monitor);  in cachefiles_read_waiter()
26 	struct fscache_retrieval *op = monitor->op;  in cachefiles_read_waiter()
33 	       monitor->netfs_page->index, mode, sync,  in cachefiles_read_waiter()
40 	_debug("--- monitor %p %lx ---", page, page->flags);  in cachefiles_read_waiter()
55 	 * monitor being enqueued on the op->to_do list and the op getting  in cachefiles_read_waiter()
62 	list_add_tail(&monitor->op_link, &op->to_do);  in cachefiles_read_waiter()
78 				   struct cachefiles_one_read *monitor)  in cachefiles_read_reissue()  argument
81 	struct page *backpage = monitor->back_page, *backpage2;  in cachefiles_read_reissue()
110 	INIT_LIST_HEAD(&monitor->op_link);  in cachefiles_read_reissue()
111 	add_page_wait_queue(backpage, &monitor->monitor);  in cachefiles_read_reissue()
127 	/* but the page may have been read before the monitor was installed, so  in cachefiles_read_reissue()
128 	 * the monitor may miss the event - so we have to ensure that we do get  in cachefiles_read_reissue()
143 	list_del(&monitor->op_link);  in cachefiles_read_reissue()
155 	struct cachefiles_one_read *monitor;  in cachefiles_read_copier()  local
170 		monitor = list_entry(op->to_do.next,  in cachefiles_read_copier()
172 		list_del(&monitor->op_link);  in cachefiles_read_copier()
176 		_debug("- copy {%lu}", monitor->back_page->index);  in cachefiles_read_copier()
182 		} else if (PageUptodate(monitor->back_page)) {  in cachefiles_read_copier()
183 			copy_highpage(monitor->netfs_page, monitor->back_page);  in cachefiles_read_copier()
184 			fscache_mark_page_cached(monitor->op,  in cachefiles_read_copier()
185 						 monitor->netfs_page);  in cachefiles_read_copier()
187 		} else if (!PageError(monitor->back_page)) {  in cachefiles_read_copier()
189 			error = cachefiles_read_reissue(object, monitor);  in cachefiles_read_copier()
197 				(unsigned long) monitor->back_page->flags);  in cachefiles_read_copier()
201 		put_page(monitor->back_page);  in cachefiles_read_copier()
203 		fscache_end_io(op, monitor->netfs_page, error);  in cachefiles_read_copier()
204 		put_page(monitor->netfs_page);  in cachefiles_read_copier()
207 		kfree(monitor);  in cachefiles_read_copier()
234 	struct cachefiles_one_read *monitor;  in cachefiles_read_backing_file_one()  local
244 	monitor = kzalloc(sizeof(*monitor), cachefiles_gfp);  in cachefiles_read_backing_file_one()
245 	if (!monitor)  in cachefiles_read_backing_file_one()
248 	monitor->netfs_page = netpage;  in cachefiles_read_backing_file_one()
249 	monitor->op = fscache_get_retrieval(op);  in cachefiles_read_backing_file_one()
251 	init_waitqueue_func_entry(&monitor->monitor, cachefiles_read_waiter);  in cachefiles_read_backing_file_one()
289 	/* set the monitor to transfer the data across */  in cachefiles_read_backing_file_one()
291 	_debug("- monitor add");  in cachefiles_read_backing_file_one()
293 	/* install the monitor */  in cachefiles_read_backing_file_one()
294 	get_page(monitor->netfs_page);  in cachefiles_read_backing_file_one()
296 	monitor->back_page = backpage;  in cachefiles_read_backing_file_one()
297 	monitor->monitor.private = backpage;  in cachefiles_read_backing_file_one()
298 	add_page_wait_queue(backpage, &monitor->monitor);  in cachefiles_read_backing_file_one()
299 	monitor = NULL;  in cachefiles_read_backing_file_one()
301 	/* but the page may have been read before the monitor was installed, so  in cachefiles_read_backing_file_one()
302 	 * the monitor may miss the event - so we have to ensure that we do get  in cachefiles_read_backing_file_one()
349 	if (monitor) {  in cachefiles_read_backing_file_one()
350 		fscache_put_retrieval(monitor->op);  in cachefiles_read_backing_file_one()
351 		kfree(monitor);  in cachefiles_read_backing_file_one()
371 	fscache_put_retrieval(monitor->op);  in cachefiles_read_backing_file_one()
372 	kfree(monitor);  in cachefiles_read_backing_file_one()
471 	struct cachefiles_one_read *monitor = NULL;  in cachefiles_read_backing_file()  local
484 		if (!monitor) {  in cachefiles_read_backing_file()
485 			monitor = kzalloc(sizeof(*monitor), cachefiles_gfp);  in cachefiles_read_backing_file()
486 			if (!monitor)  in cachefiles_read_backing_file()
489 			monitor->op = fscache_get_retrieval(op);  in cachefiles_read_backing_file()
490 			init_waitqueue_func_entry(&monitor->monitor,  in cachefiles_read_backing_file()
528 		 * monitor to transfer the data across */  in cachefiles_read_backing_file()
530 		_debug("- monitor add");  in cachefiles_read_backing_file()
546 		/* install a monitor */  in cachefiles_read_backing_file()
548 		monitor->netfs_page = netpage;  in cachefiles_read_backing_file()
551 		monitor->back_page = backpage;  in cachefiles_read_backing_file()
552 		monitor->monitor.private = backpage;  in cachefiles_read_backing_file()
553 		add_page_wait_queue(backpage, &monitor->monitor);  in cachefiles_read_backing_file()
554 		monitor = NULL;  in cachefiles_read_backing_file()
556 		/* but the page may have been read before the monitor was  in cachefiles_read_backing_file()
557 		 * installed, so the monitor may miss the event - so we have to  in cachefiles_read_backing_file()
649 	if (monitor) {  in cachefiles_read_backing_file()
651 		kfree(monitor);  in cachefiles_read_backing_file()