178 	struct dlm_ls *ls;  in dlm_user_add_ast()  local
186 	ls = lkb->lkb_resource->res_ls;  in dlm_user_add_ast()
187 	mutex_lock(&ls->ls_clear_proc_locks);  in dlm_user_add_ast()
233 	mutex_unlock(&ls->ls_clear_proc_locks);  in dlm_user_add_ast()
239 	struct dlm_ls *ls;  in device_user_lock()  local
244 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_lock()
245 	if (!ls)  in device_user_lock()
265 		error = dlm_user_convert(ls, ua,  in device_user_lock()
270 		error = dlm_user_adopt_orphan(ls, ua,  in device_user_lock()
278 		error = dlm_user_request(ls, ua,  in device_user_lock()
286 	dlm_put_lockspace(ls);  in device_user_lock()
293 	struct dlm_ls *ls;  in device_user_unlock()  local
297 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_unlock()
298 	if (!ls)  in device_user_unlock()
310 		error = dlm_user_cancel(ls, ua, params->flags, params->lkid);  in device_user_unlock()
312 		error = dlm_user_unlock(ls, ua, params->flags, params->lkid,  in device_user_unlock()
315 	dlm_put_lockspace(ls);  in device_user_unlock()
322 	struct dlm_ls *ls;  in device_user_deadlock()  local
325 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_deadlock()
326 	if (!ls)  in device_user_deadlock()
329 	error = dlm_user_deadlock(ls, params->flags, params->lkid);  in device_user_deadlock()
331 	dlm_put_lockspace(ls);  in device_user_deadlock()
335 static int dlm_device_register(struct dlm_ls *ls, char *name)  in dlm_device_register()  argument
341 	if (ls->ls_device.name)  in dlm_device_register()
346 	ls->ls_device.name = kzalloc(len, GFP_NOFS);  in dlm_device_register()
347 	if (!ls->ls_device.name)  in dlm_device_register()
350 	snprintf((char *)ls->ls_device.name, len, "%s_%s", name_prefix,  in dlm_device_register()
352 	ls->ls_device.fops = &device_fops;  in dlm_device_register()
353 	ls->ls_device.minor = MISC_DYNAMIC_MINOR;  in dlm_device_register()
355 	error = misc_register(&ls->ls_device);  in dlm_device_register()
357 		kfree(ls->ls_device.name);  in dlm_device_register()
361 		ls->ls_device.name = NULL;  in dlm_device_register()
367 int dlm_device_deregister(struct dlm_ls *ls)  in dlm_device_deregister()  argument
372 	if (!ls->ls_device.name)  in dlm_device_deregister()
375 	misc_deregister(&ls->ls_device);  in dlm_device_deregister()
376 	kfree(ls->ls_device.name);  in dlm_device_deregister()
383 	struct dlm_ls *ls;  in device_user_purge()  local
386 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_purge()
387 	if (!ls)  in device_user_purge()
390 	error = dlm_user_purge(ls, proc, params->nodeid, params->pid);  in device_user_purge()
392 	dlm_put_lockspace(ls);  in device_user_purge()
399 	struct dlm_ls *ls;  in device_create_lockspace()  local
411 	ls = dlm_find_lockspace_local(lockspace);  in device_create_lockspace()
412 	if (!ls)  in device_create_lockspace()
415 	error = dlm_device_register(ls, params->name);  in device_create_lockspace()
416 	dlm_put_lockspace(ls);  in device_create_lockspace()
421 		error = ls->ls_device.minor;  in device_create_lockspace()
429 	struct dlm_ls *ls;  in device_remove_lockspace()  local
435 	ls = dlm_find_lockspace_device(params->minor);  in device_remove_lockspace()
436 	if (!ls)  in device_remove_lockspace()
442 	lockspace = ls->ls_local_handle;  in device_remove_lockspace()
443 	dlm_put_lockspace(ls);  in device_remove_lockspace()
633 	struct dlm_ls *ls;  in device_open()  local
635 	ls = dlm_find_lockspace_device(iminor(inode));  in device_open()
636 	if (!ls)  in device_open()
641 		dlm_put_lockspace(ls);  in device_open()
645 	proc->lockspace = ls->ls_local_handle;  in device_open()
660 	struct dlm_ls *ls;  in device_close()  local
662 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_close()
663 	if (!ls)  in device_close()
668 	dlm_clear_proc_locks(ls, proc);  in device_close()
677 	dlm_put_lockspace(ls);  in device_close()
678 	dlm_put_lockspace(ls);  /* for the find in device_open() */  in device_close()