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Commit 2b9c7581 authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
Browse files

net: make queue attributes ro_after_init 



The XPS queue attributes can be ro_after_init.
Also use __ATTR_RX macros to simplify initialization.

Signed-off-by: default avatarStephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 170c658a

net/core/net-sysfs.c

+19 −21
Original line number Diff line number Diff line
@@ -1010,8 +1010,7 @@ static const struct sysfs_ops netdev_queue_sysfs_ops = { 
	.store = netdev_queue_attr_store,

};



static ssize_t show_trans_timeout(struct netdev_queue *queue,

				  char *buf)

static ssize_t tx_timeout_show(struct netdev_queue *queue, char *buf)

{

	unsigned long trans_timeout;
@@ -1033,7 +1032,7 @@ static unsigned int get_netdev_queue_index(struct netdev_queue *queue) 
	return i;

}



static ssize_t show_traffic_class(struct netdev_queue *queue,

static ssize_t traffic_class_show(struct netdev_queue *queue,

				  char *buf)

{

	struct net_device *dev = queue->dev;
@@ -1047,13 +1046,13 @@ static ssize_t show_traffic_class(struct netdev_queue *queue, 
}



#ifdef CONFIG_XPS

static ssize_t show_tx_maxrate(struct netdev_queue *queue,

static ssize_t tx_maxrate_show(struct netdev_queue *queue,

			       char *buf)

{

	return sprintf(buf, "%lu\n", queue->tx_maxrate);

}



static ssize_t set_tx_maxrate(struct netdev_queue *queue,

static ssize_t tx_maxrate_store(struct netdev_queue *queue,

				const char *buf, size_t len)

{

	struct net_device *dev = queue->dev;
@@ -1079,16 +1078,15 @@ static ssize_t set_tx_maxrate(struct netdev_queue *queue, 
	return err;

}



static struct netdev_queue_attribute queue_tx_maxrate =

	__ATTR(tx_maxrate, S_IRUGO | S_IWUSR,

	       show_tx_maxrate, set_tx_maxrate);

static struct netdev_queue_attribute queue_tx_maxrate __ro_after_init

	= __ATTR_RW(tx_maxrate);

#endif



static struct netdev_queue_attribute queue_trans_timeout =

	__ATTR(tx_timeout, S_IRUGO, show_trans_timeout, NULL);

static struct netdev_queue_attribute queue_trans_timeout __ro_after_init

	= __ATTR_RO(tx_timeout);



static struct netdev_queue_attribute queue_traffic_class =

	__ATTR(traffic_class, S_IRUGO, show_traffic_class, NULL);

static struct netdev_queue_attribute queue_traffic_class __ro_after_init

	= __ATTR_RO(traffic_class);



#ifdef CONFIG_BQL

/*
@@ -1196,7 +1194,7 @@ static const struct attribute_group dql_group = { 
#endif /* CONFIG_BQL */



#ifdef CONFIG_XPS

static ssize_t show_xps_map(struct netdev_queue *queue,

static ssize_t xps_cpus_show(struct netdev_queue *queue,

			     char *buf)

{

	struct net_device *dev = queue->dev;
@@ -1243,7 +1241,7 @@ static ssize_t show_xps_map(struct netdev_queue *queue, 
	return len < PAGE_SIZE ? len : -EINVAL;

}



static ssize_t store_xps_map(struct netdev_queue *queue,

static ssize_t xps_cpus_store(struct netdev_queue *queue,

			      const char *buf, size_t len)

{

	struct net_device *dev = queue->dev;
@@ -1272,11 +1270,11 @@ static ssize_t store_xps_map(struct netdev_queue *queue, 
	return err ? : len;

}



static struct netdev_queue_attribute xps_cpus_attribute =

    __ATTR(xps_cpus, S_IRUGO | S_IWUSR, show_xps_map, store_xps_map);

static struct netdev_queue_attribute xps_cpus_attribute __ro_after_init

	= __ATTR_RW(xps_cpus);

#endif /* CONFIG_XPS */



static struct attribute *netdev_queue_default_attrs[] = {

static struct attribute *netdev_queue_default_attrs[] __ro_after_init = {

	&queue_trans_timeout.attr,

	&queue_traffic_class.attr,

#ifdef CONFIG_XPS
@@ -1306,7 +1304,7 @@ static const void *netdev_queue_namespace(struct kobject *kobj) 
	return ns;

}



static struct kobj_type netdev_queue_ktype = {

static struct kobj_type netdev_queue_ktype __ro_after_init = {

	.sysfs_ops = &netdev_queue_sysfs_ops,

	.release = netdev_queue_release,

	.default_attrs = netdev_queue_default_attrs,