54 		struct ecryptfs_open_req *req;  in ecryptfs_threadfn()  local
66 			req = list_first_entry(&ecryptfs_kthread_ctl.req_list,  in ecryptfs_threadfn()
69 			mutex_lock(&req->mux);  in ecryptfs_threadfn()
70 			list_del(&req->kthread_ctl_list);  in ecryptfs_threadfn()
71 			if (!(req->flags & ECRYPTFS_REQ_ZOMBIE)) {  in ecryptfs_threadfn()
72 				dget(req->lower_dentry);  in ecryptfs_threadfn()
73 				mntget(req->lower_mnt);  in ecryptfs_threadfn()
74 				(*req->lower_file) = dentry_open(  in ecryptfs_threadfn()
75 					req->lower_dentry, req->lower_mnt,  in ecryptfs_threadfn()
77 				req->flags |= ECRYPTFS_REQ_PROCESSED;  in ecryptfs_threadfn()
79 			wake_up(&req->wait);  in ecryptfs_threadfn()
80 			mutex_unlock(&req->mux);  in ecryptfs_threadfn()
107 	struct ecryptfs_open_req *req;  in ecryptfs_destroy_kthread()  local
111 	list_for_each_entry(req, &ecryptfs_kthread_ctl.req_list,  in ecryptfs_destroy_kthread()
113 		mutex_lock(&req->mux);  in ecryptfs_destroy_kthread()
114 		req->flags |= ECRYPTFS_REQ_ZOMBIE;  in ecryptfs_destroy_kthread()
115 		wake_up(&req->wait);  in ecryptfs_destroy_kthread()
116 		mutex_unlock(&req->mux);  in ecryptfs_destroy_kthread()
138 	struct ecryptfs_open_req *req;  in ecryptfs_privileged_open()  local
150 	req = kmem_cache_alloc(ecryptfs_open_req_cache, GFP_KERNEL);  in ecryptfs_privileged_open()
151 	if (!req) {  in ecryptfs_privileged_open()
155 	mutex_init(&req->mux);  in ecryptfs_privileged_open()
156 	req->lower_file = lower_file;  in ecryptfs_privileged_open()
157 	req->lower_dentry = lower_dentry;  in ecryptfs_privileged_open()
158 	req->lower_mnt = lower_mnt;  in ecryptfs_privileged_open()
159 	init_waitqueue_head(&req->wait);  in ecryptfs_privileged_open()
160 	req->flags = 0;  in ecryptfs_privileged_open()
170 	list_add_tail(&req->kthread_ctl_list, &ecryptfs_kthread_ctl.req_list);  in ecryptfs_privileged_open()
173 	wait_event(req->wait, (req->flags != 0));  in ecryptfs_privileged_open()
174 	mutex_lock(&req->mux);  in ecryptfs_privileged_open()
175 	BUG_ON(req->flags == 0);  in ecryptfs_privileged_open()
176 	if (req->flags & ECRYPTFS_REQ_DROPPED  in ecryptfs_privileged_open()
177 	    || req->flags & ECRYPTFS_REQ_ZOMBIE) {  in ecryptfs_privileged_open()
183 	if (IS_ERR(*req->lower_file)) {  in ecryptfs_privileged_open()
184 		rc = PTR_ERR(*req->lower_file);  in ecryptfs_privileged_open()
190 			rc = PTR_ERR(*req->lower_file);  in ecryptfs_privileged_open()
199 	mutex_unlock(&req->mux);  in ecryptfs_privileged_open()
201 	kmem_cache_free(ecryptfs_open_req_cache, req);  in ecryptfs_privileged_open()