C++ (Cpp) kgnilnd_quiesce_wait 예제들

예제 #1

파일: gnilnd_sysctl.c 프로젝트: EMSL-MSC/lustre-release

static int
proc_toggle_thread_pause(struct ctl_table *table, int write,
			 void __user *buffer, size_t *lenp, loff_t *ppos)
{
	int  old_val = kgnilnd_sysctl.ksd_pause_trigger;
	int  rc = 0;
	ENTRY;

	rc = proc_dointvec(table, write, buffer, lenp, ppos);
	if (!write) {
		/* read */
		RETURN(rc);
	}

	if (kgnilnd_data.kgn_init != GNILND_INIT_ALL) {
		rc = -EINVAL;
		RETURN(rc);
	}

	if (old_val != kgnilnd_sysctl.ksd_pause_trigger) {
		mutex_lock(&kgnilnd_data.kgn_quiesce_mutex);
		CDEBUG(D_NET, "setting quiesce_trigger %d\n", old_val);
		kgnilnd_data.kgn_quiesce_trigger = kgnilnd_sysctl.ksd_pause_trigger;
		kgnilnd_quiesce_wait("admin sysctl");
		mutex_unlock(&kgnilnd_data.kgn_quiesce_mutex);
	}

	RETURN(rc);
}

예제 #2

파일: gnilnd_sysctl.c 프로젝트: dmlb2000/lustre-release

static int LL_PROC_PROTO(proc_toggle_thread_pause)
{
	int  old_val = kgnilnd_sysctl.ksd_pause_trigger;
	int  rc = 0;
	ENTRY;

	rc = ll_proc_dointvec(table, write, filp, buffer, lenp, ppos);
	if (!write) {
		/* read */
		RETURN(rc);
	}

	if (kgnilnd_data.kgn_init != GNILND_INIT_ALL) {
		rc = -EINVAL;
		RETURN(rc);
	}

	if (old_val != kgnilnd_sysctl.ksd_pause_trigger) {
		down(&kgnilnd_data.kgn_quiesce_sem);
		CDEBUG(D_NET, "setting quiesce_trigger %d\n", old_val);
		kgnilnd_data.kgn_quiesce_trigger = kgnilnd_sysctl.ksd_pause_trigger;
		kgnilnd_quiesce_wait("admin sysctl");
		up(&kgnilnd_data.kgn_quiesce_sem);
	}

	RETURN(rc);
}