183 nfs_page_group_search_locked(struct nfs_page *head, unsigned int page_offset)  in nfs_page_group_search_locked()  argument
187 	WARN_ON_ONCE(head != head->wb_head);  in nfs_page_group_search_locked()
188 	WARN_ON_ONCE(!test_bit(PG_HEADLOCK, &head->wb_head->wb_flags));  in nfs_page_group_search_locked()
190 	req = head;  in nfs_page_group_search_locked()
197 	} while (req != head);  in nfs_page_group_search_locked()
324 nfs_unroll_locks_and_wait(struct inode *inode, struct nfs_page *head,  in nfs_unroll_locks_and_wait()  argument
332 	for (tmp = head ; tmp != req; tmp = tmp->wb_this_page)  in nfs_unroll_locks_and_wait()
340 	nfs_page_group_unlock(head);  in nfs_unroll_locks_and_wait()
344 	nfs_release_request(head);  in nfs_unroll_locks_and_wait()
431 	struct nfs_page *head, *subreq;  in nfs_lock_and_join_requests()  local
448 	head = nfs_page_find_head_request_locked(NFS_I(inode), page);  in nfs_lock_and_join_requests()
450 	if (!head) {  in nfs_lock_and_join_requests()
457 	ret = nfs_page_group_lock(head, true);  in nfs_lock_and_join_requests()
462 			nfs_page_group_lock_wait(head);  in nfs_lock_and_join_requests()
463 			nfs_release_request(head);  in nfs_lock_and_join_requests()
467 		nfs_release_request(head);  in nfs_lock_and_join_requests()
472 	subreq = head;  in nfs_lock_and_join_requests()
478 		if (subreq->wb_offset == (head->wb_offset + total_bytes)) {  in nfs_lock_and_join_requests()
481 		} else if (WARN_ON_ONCE(subreq->wb_offset < head->wb_offset ||  in nfs_lock_and_join_requests()
483 			     (head->wb_offset + total_bytes)))) {  in nfs_lock_and_join_requests()
484 			nfs_page_group_unlock(head);  in nfs_lock_and_join_requests()
492 			ret = nfs_unroll_locks_and_wait(inode, head,  in nfs_lock_and_join_requests()
502 	} while (subreq != head);  in nfs_lock_and_join_requests()
506 	subreq = head;  in nfs_lock_and_join_requests()
510 	} while (subreq != head);  in nfs_lock_and_join_requests()
513 	if (head->wb_this_page != head) {  in nfs_lock_and_join_requests()
515 		destroy_list = head->wb_this_page;  in nfs_lock_and_join_requests()
516 		head->wb_this_page = head;  in nfs_lock_and_join_requests()
520 		head->wb_bytes = total_bytes;  in nfs_lock_and_join_requests()
526 	nfs_page_group_clear_bits(head);  in nfs_lock_and_join_requests()
533 	if (!test_and_set_bit(PG_INODE_REF, &head->wb_flags))  in nfs_lock_and_join_requests()
534 		kref_get(&head->wb_kref);  in nfs_lock_and_join_requests()
536 	nfs_page_group_unlock(head);  in nfs_lock_and_join_requests()
541 	nfs_destroy_unlinked_subrequests(destroy_list, head);  in nfs_lock_and_join_requests()
545 	return head;  in nfs_lock_and_join_requests()
707 	struct nfs_page *head;  in nfs_inode_remove_request()  local
710 		head = req->wb_head;  in nfs_inode_remove_request()
713 		if (likely(!PageSwapCache(head->wb_page))) {  in nfs_inode_remove_request()
714 			set_page_private(head->wb_page, 0);  in nfs_inode_remove_request()
715 			ClearPagePrivate(head->wb_page);  in nfs_inode_remove_request()
717 			wake_up_page(head->wb_page, PG_private);  in nfs_inode_remove_request()
718 			clear_bit(PG_MAPPED, &head->wb_flags);  in nfs_inode_remove_request()
1321 static void nfs_async_write_error(struct list_head *head)  in nfs_async_write_error()  argument
1325 	while (!list_empty(head)) {  in nfs_async_write_error()
1326 		req = nfs_list_entry(head->next);  in nfs_async_write_error()
1605 static loff_t nfs_get_lwb(struct list_head *head)  in nfs_get_lwb()  argument
1610 	list_for_each_entry(req, head, wb_list)  in nfs_get_lwb()
1621 		     struct list_head *head,  in nfs_init_commit()  argument
1625 	struct nfs_page *first = nfs_list_entry(head->next);  in nfs_init_commit()
1631 	list_splice_init(head, &data->pages);  in nfs_init_commit()
1676 nfs_commit_list(struct inode *inode, struct list_head *head, int how,  in nfs_commit_list()  argument
1687 	nfs_init_commit(data, head, NULL, cinfo);  in nfs_commit_list()
1692 	nfs_retry_commit(head, NULL, cinfo, 0);  in nfs_commit_list()
1780 int nfs_generic_commit_list(struct inode *inode, struct list_head *head,  in nfs_generic_commit_list()  argument
1785 	status = pnfs_commit_list(inode, head, how, cinfo);  in nfs_generic_commit_list()
1787 		status = nfs_commit_list(inode, head, how, cinfo);  in nfs_generic_commit_list()
1793 	LIST_HEAD(head);  in nfs_commit_inode()
1802 	res = nfs_scan_commit(inode, &head, &cinfo);  in nfs_commit_inode()
1806 		error = nfs_generic_commit_list(inode, &head, how, &cinfo);  in nfs_commit_inode()