180 	struct dlm_user_proc *proc;  in dlm_user_add_ast()  local
200 	proc = ua->proc;  in dlm_user_add_ast()
208 	spin_lock(&proc->asts_spin);  in dlm_user_add_ast()
212 		spin_unlock(&proc->asts_spin);  in dlm_user_add_ast()
218 		list_add_tail(&lkb->lkb_cb_list, &proc->asts);  in dlm_user_add_ast()
219 		wake_up_interruptible(&proc->wait);  in dlm_user_add_ast()
221 	spin_unlock(&proc->asts_spin);  in dlm_user_add_ast()
225 		spin_lock(&proc->locks_spin);  in dlm_user_add_ast()
230 		spin_unlock(&proc->locks_spin);  in dlm_user_add_ast()
236 static int device_user_lock(struct dlm_user_proc *proc,  in device_user_lock()  argument
244 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_lock()
256 	ua->proc = proc;  in device_user_lock()
290 static int device_user_unlock(struct dlm_user_proc *proc,  in device_user_unlock()  argument
297 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_unlock()
304 	ua->proc = proc;  in device_user_unlock()
319 static int device_user_deadlock(struct dlm_user_proc *proc,  in device_user_deadlock()  argument
325 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_deadlock()
376 static int device_user_purge(struct dlm_user_proc *proc,  in device_user_purge()  argument
382 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_purge()
386 	error = dlm_user_purge(ls, proc, params->nodeid, params->pid);  in device_user_purge()
500 	struct dlm_user_proc *proc = file->private_data;  in device_write()  local
550 		if (proc)  in device_write()
551 			set_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags);  in device_write()
560 	    (proc && test_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags))) {  in device_write()
570 		if (!proc) {  in device_write()
574 		error = device_user_lock(proc, &kbuf->i.lock);  in device_write()
578 		if (!proc) {  in device_write()
582 		error = device_user_unlock(proc, &kbuf->i.lock);  in device_write()
586 		if (!proc) {  in device_write()
590 		error = device_user_deadlock(proc, &kbuf->i.lock);  in device_write()
594 		if (proc) {  in device_write()
602 		if (proc) {  in device_write()
610 		if (!proc) {  in device_write()
614 		error = device_user_purge(proc, &kbuf->i.purge);  in device_write()
633 	struct dlm_user_proc *proc;  in device_open()  local
640 	proc = kzalloc(sizeof(struct dlm_user_proc), GFP_NOFS);  in device_open()
641 	if (!proc) {  in device_open()
646 	proc->lockspace = ls->ls_local_handle;  in device_open()
647 	INIT_LIST_HEAD(&proc->asts);  in device_open()
648 	INIT_LIST_HEAD(&proc->locks);  in device_open()
649 	INIT_LIST_HEAD(&proc->unlocking);  in device_open()
650 	spin_lock_init(&proc->asts_spin);  in device_open()
651 	spin_lock_init(&proc->locks_spin);  in device_open()
652 	init_waitqueue_head(&proc->wait);  in device_open()
653 	file->private_data = proc;  in device_open()
660 	struct dlm_user_proc *proc = file->private_data;  in device_close()  local
663 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_close()
667 	set_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags);  in device_close()
669 	dlm_clear_proc_locks(ls, proc);  in device_close()
675 	kfree(proc);  in device_close()
780 	struct dlm_user_proc *proc = file->private_data;  in device_read()  local
792 	if (!proc) {  in device_read()
807 	if (test_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags))  in device_read()
810 	spin_lock(&proc->asts_spin);  in device_read()
811 	if (list_empty(&proc->asts)) {  in device_read()
813 			spin_unlock(&proc->asts_spin);  in device_read()
817 		add_wait_queue(&proc->wait, &wait);  in device_read()
821 		if (list_empty(&proc->asts) && !signal_pending(current)) {  in device_read()
822 			spin_unlock(&proc->asts_spin);  in device_read()
824 			spin_lock(&proc->asts_spin);  in device_read()
828 		remove_wait_queue(&proc->wait, &wait);  in device_read()
831 			spin_unlock(&proc->asts_spin);  in device_read()
840 	lkb = list_entry(proc->asts.next, struct dlm_lkb, lkb_cb_list);  in device_read()
851 		spin_unlock(&proc->asts_spin);  in device_read()
858 	spin_unlock(&proc->asts_spin);  in device_read()
879 				 test_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags),  in device_read()
891 	struct dlm_user_proc *proc = file->private_data;  in device_poll()  local
893 	poll_wait(file, &proc->wait, wait);  in device_poll()
895 	spin_lock(&proc->asts_spin);  in device_poll()
896 	if (!list_empty(&proc->asts)) {  in device_poll()
897 		spin_unlock(&proc->asts_spin);  in device_poll()
900 	spin_unlock(&proc->asts_spin);  in device_poll()