180 	struct dlm_ls *ls;  in dlm_user_add_ast()  local
188 	ls = lkb->lkb_resource->res_ls;  in dlm_user_add_ast()
189 	spin_lock(&ls->ls_clear_proc_locks);  in dlm_user_add_ast()
235 	spin_unlock(&ls->ls_clear_proc_locks);  in dlm_user_add_ast()
241 	struct dlm_ls *ls;  in device_user_lock()  local
246 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_lock()
247 	if (!ls)  in device_user_lock()
276 		error = dlm_user_convert(ls, ua,  in device_user_lock()
281 		error = dlm_user_convert(ls, ua,  in device_user_lock()
286 		error = dlm_user_adopt_orphan(ls, ua,  in device_user_lock()
294 		error = dlm_user_request(ls, ua,  in device_user_lock()
299 		error = dlm_user_request(ls, ua,  in device_user_lock()
307 	dlm_put_lockspace(ls);  in device_user_lock()
314 	struct dlm_ls *ls;  in device_user_unlock()  local
318 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_unlock()
319 	if (!ls)  in device_user_unlock()
331 		error = dlm_user_cancel(ls, ua, params->flags, params->lkid);  in device_user_unlock()
333 		error = dlm_user_unlock(ls, ua, params->flags, params->lkid,  in device_user_unlock()
336 	dlm_put_lockspace(ls);  in device_user_unlock()
343 	struct dlm_ls *ls;  in device_user_deadlock()  local
346 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_deadlock()
347 	if (!ls)  in device_user_deadlock()
350 	error = dlm_user_deadlock(ls, params->flags, params->lkid);  in device_user_deadlock()
352 	dlm_put_lockspace(ls);  in device_user_deadlock()
356 static int dlm_device_register(struct dlm_ls *ls, char *name)  in dlm_device_register()  argument
362 	if (ls->ls_device.name)  in dlm_device_register()
367 	ls->ls_device.name = kzalloc(len, GFP_NOFS);  in dlm_device_register()
368 	if (!ls->ls_device.name)  in dlm_device_register()
371 	snprintf((char *)ls->ls_device.name, len, "%s_%s", name_prefix,  in dlm_device_register()
373 	ls->ls_device.fops = &device_fops;  in dlm_device_register()
374 	ls->ls_device.minor = MISC_DYNAMIC_MINOR;  in dlm_device_register()
376 	error = misc_register(&ls->ls_device);  in dlm_device_register()
378 		kfree(ls->ls_device.name);  in dlm_device_register()
382 		ls->ls_device.name = NULL;  in dlm_device_register()
388 int dlm_device_deregister(struct dlm_ls *ls)  in dlm_device_deregister()  argument
393 	if (!ls->ls_device.name)  in dlm_device_deregister()
396 	misc_deregister(&ls->ls_device);  in dlm_device_deregister()
397 	kfree(ls->ls_device.name);  in dlm_device_deregister()
404 	struct dlm_ls *ls;  in device_user_purge()  local
407 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_user_purge()
408 	if (!ls)  in device_user_purge()
411 	error = dlm_user_purge(ls, proc, params->nodeid, params->pid);  in device_user_purge()
413 	dlm_put_lockspace(ls);  in device_user_purge()
420 	struct dlm_ls *ls;  in device_create_lockspace()  local
432 	ls = dlm_find_lockspace_local(lockspace);  in device_create_lockspace()
433 	if (!ls)  in device_create_lockspace()
436 	error = dlm_device_register(ls, params->name);  in device_create_lockspace()
437 	dlm_put_lockspace(ls);  in device_create_lockspace()
442 		error = ls->ls_device.minor;  in device_create_lockspace()
450 	struct dlm_ls *ls;  in device_remove_lockspace()  local
456 	ls = dlm_find_lockspace_device(params->minor);  in device_remove_lockspace()
457 	if (!ls)  in device_remove_lockspace()
463 	lockspace = ls->ls_local_handle;  in device_remove_lockspace()
464 	dlm_put_lockspace(ls);  in device_remove_lockspace()
654 	struct dlm_ls *ls;  in device_open()  local
656 	ls = dlm_find_lockspace_device(iminor(inode));  in device_open()
657 	if (!ls)  in device_open()
662 		dlm_put_lockspace(ls);  in device_open()
666 	proc->lockspace = ls->ls_local_handle;  in device_open()
681 	struct dlm_ls *ls;  in device_close()  local
683 	ls = dlm_find_lockspace_local(proc->lockspace);  in device_close()
684 	if (!ls)  in device_close()
689 	dlm_clear_proc_locks(ls, proc);  in device_close()
698 	dlm_put_lockspace(ls);  in device_close()
699 	dlm_put_lockspace(ls);  /* for the find in device_open() */  in device_close()