370 		struct nfs_page *subreq = destroy_list;  in nfs_destroy_unlinked_subrequests()  local
372 		destroy_list = (subreq->wb_this_page == old_head) ?  in nfs_destroy_unlinked_subrequests()
373 				   NULL : subreq->wb_this_page;  in nfs_destroy_unlinked_subrequests()
375 		WARN_ON_ONCE(old_head != subreq->wb_head);  in nfs_destroy_unlinked_subrequests()
378 		subreq->wb_head = subreq;  in nfs_destroy_unlinked_subrequests()
379 		subreq->wb_this_page = subreq;  in nfs_destroy_unlinked_subrequests()
383 		nfs_unlock_request(subreq);  in nfs_destroy_unlinked_subrequests()
385 		if (!test_bit(PG_TEARDOWN, &subreq->wb_flags)) {  in nfs_destroy_unlinked_subrequests()
389 			nfs_page_group_clear_bits(subreq);  in nfs_destroy_unlinked_subrequests()
392 			if (test_and_clear_bit(PG_INODE_REF, &subreq->wb_flags))  in nfs_destroy_unlinked_subrequests()
393 				nfs_release_request(subreq);  in nfs_destroy_unlinked_subrequests()
397 			WARN_ON_ONCE(test_bit(PG_CLEAN, &subreq->wb_flags));  in nfs_destroy_unlinked_subrequests()
402 			nfs_page_group_clear_bits(subreq);  in nfs_destroy_unlinked_subrequests()
403 			nfs_free_request(subreq);  in nfs_destroy_unlinked_subrequests()
431 	struct nfs_page *head, *subreq;  in nfs_lock_and_join_requests()  local
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()
480 			total_bytes += subreq->wb_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()
482 			    ((subreq->wb_offset + subreq->wb_bytes) >  in nfs_lock_and_join_requests()
489 		if (!nfs_lock_request(subreq)) {  in nfs_lock_and_join_requests()
493 				subreq, nonblock);  in nfs_lock_and_join_requests()
501 		subreq = subreq->wb_this_page;  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()
508 		nfs_clear_request_commit(subreq);  in nfs_lock_and_join_requests()
509 		subreq = subreq->wb_this_page;  in nfs_lock_and_join_requests()
510 	} while (subreq != head);  in nfs_lock_and_join_requests()