44 	struct ecryptfs_daemon *daemon = file->private_data;  in ecryptfs_miscdev_poll()  local
47 	mutex_lock(&daemon->mux);  in ecryptfs_miscdev_poll()
48 	if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) {  in ecryptfs_miscdev_poll()
53 	if (daemon->flags & ECRYPTFS_DAEMON_IN_READ)  in ecryptfs_miscdev_poll()
55 	if (daemon->flags & ECRYPTFS_DAEMON_IN_POLL)  in ecryptfs_miscdev_poll()
57 	daemon->flags |= ECRYPTFS_DAEMON_IN_POLL;  in ecryptfs_miscdev_poll()
58 	mutex_unlock(&daemon->mux);  in ecryptfs_miscdev_poll()
59 	poll_wait(file, &daemon->wait, pt);  in ecryptfs_miscdev_poll()
60 	mutex_lock(&daemon->mux);  in ecryptfs_miscdev_poll()
61 	if (!list_empty(&daemon->msg_ctx_out_queue))  in ecryptfs_miscdev_poll()
64 	daemon->flags &= ~ECRYPTFS_DAEMON_IN_POLL;  in ecryptfs_miscdev_poll()
65 	mutex_unlock(&daemon->mux);  in ecryptfs_miscdev_poll()
79 	struct ecryptfs_daemon *daemon = NULL;  in ecryptfs_miscdev_open()  local
83 	rc = ecryptfs_find_daemon_by_euid(&daemon);  in ecryptfs_miscdev_open()
88 	rc = ecryptfs_spawn_daemon(&daemon, file);  in ecryptfs_miscdev_open()
94 	mutex_lock(&daemon->mux);  in ecryptfs_miscdev_open()
95 	if (daemon->flags & ECRYPTFS_DAEMON_MISCDEV_OPEN) {  in ecryptfs_miscdev_open()
99 	daemon->flags |= ECRYPTFS_DAEMON_MISCDEV_OPEN;  in ecryptfs_miscdev_open()
100 	file->private_data = daemon;  in ecryptfs_miscdev_open()
103 	mutex_unlock(&daemon->mux);  in ecryptfs_miscdev_open()
122 	struct ecryptfs_daemon *daemon = file->private_data;  in ecryptfs_miscdev_release()  local
125 	mutex_lock(&daemon->mux);  in ecryptfs_miscdev_release()
126 	BUG_ON(!(daemon->flags & ECRYPTFS_DAEMON_MISCDEV_OPEN));  in ecryptfs_miscdev_release()
127 	daemon->flags &= ~ECRYPTFS_DAEMON_MISCDEV_OPEN;  in ecryptfs_miscdev_release()
129 	mutex_unlock(&daemon->mux);  in ecryptfs_miscdev_release()
132 	rc = ecryptfs_exorcise_daemon(daemon);  in ecryptfs_miscdev_release()
161 			  u16 msg_flags, struct ecryptfs_daemon *daemon)  in ecryptfs_send_miscdev()  argument
180 	list_add_tail(&msg_ctx->daemon_out_list, &daemon->msg_ctx_out_queue);  in ecryptfs_send_miscdev()
183 	mutex_lock(&daemon->mux);  in ecryptfs_send_miscdev()
184 	daemon->num_queued_msg_ctx++;  in ecryptfs_send_miscdev()
185 	wake_up_interruptible(&daemon->wait);  in ecryptfs_send_miscdev()
186 	mutex_unlock(&daemon->mux);  in ecryptfs_send_miscdev()
230 	struct ecryptfs_daemon *daemon = file->private_data;  in ecryptfs_miscdev_read()  local
238 	mutex_lock(&daemon->mux);  in ecryptfs_miscdev_read()
239 	if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) {  in ecryptfs_miscdev_read()
245 	if (daemon->flags & ECRYPTFS_DAEMON_IN_READ) {  in ecryptfs_miscdev_read()
250 	daemon->flags |= ECRYPTFS_DAEMON_IN_READ;  in ecryptfs_miscdev_read()
252 	if (list_empty(&daemon->msg_ctx_out_queue)) {  in ecryptfs_miscdev_read()
253 		mutex_unlock(&daemon->mux);  in ecryptfs_miscdev_read()
255 			daemon->wait, !list_empty(&daemon->msg_ctx_out_queue));  in ecryptfs_miscdev_read()
256 		mutex_lock(&daemon->mux);  in ecryptfs_miscdev_read()
262 	if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) {  in ecryptfs_miscdev_read()
266 	if (list_empty(&daemon->msg_ctx_out_queue)) {  in ecryptfs_miscdev_read()
272 	msg_ctx = list_first_entry(&daemon->msg_ctx_out_queue,  in ecryptfs_miscdev_read()
325 	daemon->flags &= ~ECRYPTFS_DAEMON_IN_READ;  in ecryptfs_miscdev_read()
326 	mutex_unlock(&daemon->mux);  in ecryptfs_miscdev_read()
338 static int ecryptfs_miscdev_response(struct ecryptfs_daemon *daemon, char *data,  in ecryptfs_miscdev_response()  argument
351 	rc = ecryptfs_process_response(daemon, msg, seq);  in ecryptfs_miscdev_response()