42 #define NFS_WBACK_BUSY(req)	(test_bit(PG_BUSY,&(req)->wb_flags))  argument
47 extern	void nfs_clear_request(struct nfs_page *req);
48 extern	void nfs_release_request(struct nfs_page *req);
67 nfs_lock_request_dontget(struct nfs_page *req)  in nfs_lock_request_dontget()  argument
69 	if (test_and_set_bit(PG_BUSY, &req->wb_flags))  in nfs_lock_request_dontget()
78 nfs_lock_request(struct nfs_page *req)  in nfs_lock_request()  argument
80 	if (test_and_set_bit(PG_BUSY, &req->wb_flags))  in nfs_lock_request()
82 	req->wb_count++;  in nfs_lock_request()
87 nfs_unlock_request(struct nfs_page *req)  in nfs_unlock_request()  argument
89 	if (!NFS_WBACK_BUSY(req)) {  in nfs_unlock_request()
94 	clear_bit(PG_BUSY, &req->wb_flags);  in nfs_unlock_request()
96 	if (waitqueue_active(&req->wb_wait))  in nfs_unlock_request()
97 		wake_up_all(&req->wb_wait);  in nfs_unlock_request()
98 	nfs_release_request(req);  in nfs_unlock_request()
106 nfs_list_remove_request(struct nfs_page *req)  in nfs_list_remove_request()  argument
108 	if (list_empty(&req->wb_list))  in nfs_list_remove_request()
110 	if (!NFS_WBACK_BUSY(req)) {  in nfs_list_remove_request()
114 	list_del_init(&req->wb_list);  in nfs_list_remove_request()
115 	req->wb_list_head = NULL;  in nfs_list_remove_request()
131 __nfs_add_lru(struct list_head *head, struct nfs_page *req)  in __nfs_add_lru()  argument
133 	list_add_tail(&req->wb_lru, head);  in __nfs_add_lru()
137 __nfs_del_lru(struct nfs_page *req)  in __nfs_del_lru()  argument
139 	if (list_empty(&req->wb_lru))  in __nfs_del_lru()
141 	list_del_init(&req->wb_lru);  in __nfs_del_lru()