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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-08 10:17:20 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-08 10:17:20 -0800 |
commit | e10154189f001b6428a83f58b03a27954f0f8022 (patch) | |
tree | 30b4ac5760c5d310e9cc2cbf8fc4b9c6f9d0e369 /drivers/base/node.c | |
parent | d4bab1b091be4a91a7363118c9ede3cc9a7fefd4 (diff) | |
parent | 410c17651998944630a95fbb286a50362de2dbb0 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (62 commits)
msi-laptop: depends on RFKILL
msi-laptop: Detect 3G device exists by standard ec command
msi-laptop: Add resume method for set the SCM load again
msi-laptop: Support some MSI 3G netbook that is need load SCM
msi-laptop: Add threeg sysfs file for support query 3G state by standard 66/62 ec command
msi-laptop: Support standard ec 66/62 command on MSI notebook and nebook
Driver core: create lock/unlock functions for struct device
sysfs: fix for thinko with sysfs_bin_attr_init()
sysfs: Kill unused sysfs_sb variable.
sysfs: Pass super_block to sysfs_get_inode
driver core: Use sysfs_rename_link in device_rename
sysfs: Implement sysfs_rename_link
sysfs: Pack sysfs_dirent more tightly.
sysfs: Serialize updates to the vfs inode
sysfs: windfarm: init sysfs attributes
sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on module dynamic attributes
sysfs: Document sysfs_attr_init and sysfs_bin_attr_init
sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on dynamic attributes
sysfs: Use one lockdep class per sysfs attribute.
sysfs: Only take active references on attributes.
...
Diffstat (limited to 'drivers/base/node.c')
-rw-r--r-- | drivers/base/node.c | 81 |
1 files changed, 30 insertions, 51 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 70122791683..ad43185ec15 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -16,8 +16,11 @@ #include <linux/device.h> #include <linux/swap.h> +static struct sysdev_class_attribute *node_state_attrs[]; + static struct sysdev_class node_class = { .name = "node", + .attrs = node_state_attrs, }; @@ -544,76 +547,52 @@ static ssize_t print_nodes_state(enum node_states state, char *buf) return n; } -static ssize_t print_nodes_possible(struct sysdev_class *class, char *buf) -{ - return print_nodes_state(N_POSSIBLE, buf); -} - -static ssize_t print_nodes_online(struct sysdev_class *class, char *buf) -{ - return print_nodes_state(N_ONLINE, buf); -} - -static ssize_t print_nodes_has_normal_memory(struct sysdev_class *class, - char *buf) -{ - return print_nodes_state(N_NORMAL_MEMORY, buf); -} +struct node_attr { + struct sysdev_class_attribute attr; + enum node_states state; +}; -static ssize_t print_nodes_has_cpu(struct sysdev_class *class, char *buf) +static ssize_t show_node_state(struct sysdev_class *class, + struct sysdev_class_attribute *attr, char *buf) { - return print_nodes_state(N_CPU, buf); + struct node_attr *na = container_of(attr, struct node_attr, attr); + return print_nodes_state(na->state, 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); +#define _NODE_ATTR(name, state) \ + { _SYSDEV_CLASS_ATTR(name, 0444, show_node_state, NULL), state } +static struct node_attr node_state_attr[] = { + _NODE_ATTR(possible, N_POSSIBLE), + _NODE_ATTR(online, N_ONLINE), + _NODE_ATTR(has_normal_memory, N_NORMAL_MEMORY), + _NODE_ATTR(has_cpu, N_CPU), #ifdef CONFIG_HIGHMEM -static ssize_t print_nodes_has_high_memory(struct sysdev_class *class, - char *buf) -{ - return print_nodes_state(N_HIGH_MEMORY, buf); -} - -static SYSDEV_CLASS_ATTR(has_high_memory, 0444, print_nodes_has_high_memory, - NULL); + _NODE_ATTR(has_high_memory, N_HIGH_MEMORY), #endif +}; -struct sysdev_class_attribute *node_state_attr[] = { - &attr_possible, - &attr_online, - &attr_has_normal_memory, +static struct sysdev_class_attribute *node_state_attrs[] = { + &node_state_attr[0].attr, + &node_state_attr[1].attr, + &node_state_attr[2].attr, + &node_state_attr[3].attr, #ifdef CONFIG_HIGHMEM - &attr_has_high_memory, + &node_state_attr[4].attr, #endif - &attr_has_cpu, + NULL }; -static int node_states_init(void) -{ - int i; - int err = 0; - - for (i = 0; i < NR_NODE_STATES; i++) { - int ret; - ret = sysdev_class_create_file(&node_class, node_state_attr[i]); - if (!err) - err = ret; - } - return err; -} - #define NODE_CALLBACK_PRI 2 /* lower than SLAB */ static int __init register_node_type(void) { int ret; + BUILD_BUG_ON(ARRAY_SIZE(node_state_attr) != NR_NODE_STATES); + BUILD_BUG_ON(ARRAY_SIZE(node_state_attrs)-1 != NR_NODE_STATES); + ret = sysdev_class_register(&node_class); if (!ret) { - ret = node_states_init(); hotplug_memory_notifier(node_memory_callback, NODE_CALLBACK_PRI); } |