Commit b15f562f authored by Andi Kleen's avatar Andi Kleen Committed by Greg Kroah-Hartman

sysdev: Convert node driver class attributes to be data driven

Using the new attribute argument convert the node driver class
attributes to carry the node state. Then use a shared function to do
what a lot of individual functions did before.
Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent c9be0a36
...@@ -544,59 +544,29 @@ static ssize_t print_nodes_state(enum node_states state, char *buf) ...@@ -544,59 +544,29 @@ static ssize_t print_nodes_state(enum node_states state, char *buf)
return n; return n;
} }
static ssize_t print_nodes_possible(struct sysdev_class *class, struct node_attr {
struct sysdev_class_attribute *attr, char *buf) struct sysdev_class_attribute attr;
{ enum node_states state;
return print_nodes_state(N_POSSIBLE, buf); };
}
static ssize_t print_nodes_online(struct sysdev_class *class,
struct sysdev_class_attribute *attr,
char *buf)
{
return print_nodes_state(N_ONLINE, buf);
}
static ssize_t print_nodes_has_normal_memory(struct sysdev_class *class,
struct sysdev_class_attribute *attr,
char *buf)
{
return print_nodes_state(N_NORMAL_MEMORY, buf);
}
static ssize_t print_nodes_has_cpu(struct sysdev_class *class,
struct sysdev_class_attribute *attr,
char *buf)
{
return print_nodes_state(N_CPU, buf);
}
static SYSDEV_CLASS_ATTR(possible, 0444, print_nodes_possible, NULL);
static SYSDEV_CLASS_ATTR(online, 0444, print_nodes_online, NULL);
static SYSDEV_CLASS_ATTR(has_normal_memory, 0444, print_nodes_has_normal_memory,
NULL);
static SYSDEV_CLASS_ATTR(has_cpu, 0444, print_nodes_has_cpu, NULL);
#ifdef CONFIG_HIGHMEM static ssize_t show_node_state(struct sysdev_class *class,
static ssize_t print_nodes_has_high_memory(struct sysdev_class *class, struct sysdev_class_attribute *attr, char *buf)
struct sysdev_class_attribute *attr,
char *buf)
{ {
return print_nodes_state(N_HIGH_MEMORY, buf); struct node_attr *na = container_of(attr, struct node_attr, attr);
return print_nodes_state(na->state, buf);
} }
static SYSDEV_CLASS_ATTR(has_high_memory, 0444, print_nodes_has_high_memory, #define _NODE_ATTR(name, state) \
NULL); { _SYSDEV_CLASS_ATTR(name, 0444, show_node_state, NULL), state }
#endif
struct sysdev_class_attribute *node_state_attr[] = { static struct node_attr node_state_attr[] = {
&attr_possible, _NODE_ATTR(possible, N_POSSIBLE),
&attr_online, _NODE_ATTR(online, N_ONLINE),
&attr_has_normal_memory, _NODE_ATTR(has_normal_memory, N_NORMAL_MEMORY),
_NODE_ATTR(has_cpu, N_CPU),
#ifdef CONFIG_HIGHMEM #ifdef CONFIG_HIGHMEM
&attr_has_high_memory, _NODE_ATTR(has_high_memory, N_HIGH_MEMORY),
#endif #endif
&attr_has_cpu,
}; };
static int node_states_init(void) static int node_states_init(void)
...@@ -604,9 +574,10 @@ static int node_states_init(void) ...@@ -604,9 +574,10 @@ static int node_states_init(void)
int i; int i;
int err = 0; int err = 0;
BUILD_BUG_ON(ARRAY_SIZE(node_state_attr) != NR_NODE_STATES);
for (i = 0; i < NR_NODE_STATES; i++) { for (i = 0; i < NR_NODE_STATES; i++) {
int ret; int ret;
ret = sysdev_class_create_file(&node_class, node_state_attr[i]); ret = sysdev_class_create_file(&node_class, &node_state_attr[i].attr);
if (!err) if (!err)
err = ret; err = ret;
} }
......
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