slub: pack objects denser

[linux-2.6-omap-h63xx.git] / drivers / md / dm.h

diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index 2f796b1436b2a6f898fac79f05cf4bee036d04f0..b4584a39383bdeda58fc1f16f596447648f1e110 100644 (file)
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -18,13 +18,45 @@
 
 #define DM_NAME "device-mapper"
 
-#define DMERR(f, arg...) printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
-#define DMWARN(f, arg...) printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
-#define DMINFO(f, arg...) printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
+#define DMERR(f, arg...) \
+       printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
+#define DMERR_LIMIT(f, arg...) \
+       do { \
+               if (printk_ratelimit()) \
+                       printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " \
+                              f "\n", ## arg); \
+       } while (0)
+
+#define DMWARN(f, arg...) \
+       printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
+#define DMWARN_LIMIT(f, arg...) \
+       do { \
+               if (printk_ratelimit()) \
+                       printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " \
+                              f "\n", ## arg); \
+       } while (0)
+
+#define DMINFO(f, arg...) \
+       printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
+#define DMINFO_LIMIT(f, arg...) \
+       do { \
+               if (printk_ratelimit()) \
+                       printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f \
+                              "\n", ## arg); \
+       } while (0)
+
 #ifdef CONFIG_DM_DEBUG
-#  define DMDEBUG(f, arg...) printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX " DEBUG: " f "\n", ## arg)
+#  define DMDEBUG(f, arg...) \
+       printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX " DEBUG: " f "\n", ## arg)
+#  define DMDEBUG_LIMIT(f, arg...) \
+       do { \
+               if (printk_ratelimit()) \
+                       printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX ": " f \
+                              "\n", ## arg); \
+       } while (0)
 #else
 #  define DMDEBUG(f, arg...) do {} while (0)
+#  define DMDEBUG_LIMIT(f, arg...) do {} while (0)
 #endif
 
 #define DMEMIT(x...) sz += ((sz >= maxlen) ? \
@@ -79,7 +111,11 @@ void dm_table_postsuspend_targets(struct dm_table *t);
 int dm_table_resume_targets(struct dm_table *t);
 int dm_table_any_congested(struct dm_table *t, int bdi_bits);
 void dm_table_unplug_all(struct dm_table *t);
-int dm_table_flush_all(struct dm_table *t);
+
+/*
+ * To check the return value from dm_table_find_target().
+ */
+#define dm_target_is_valid(t) ((t)->table)
 
 /*-----------------------------------------------------------------
  * A registry of target types.
@@ -151,4 +187,6 @@ union map_info *dm_get_mapinfo(struct bio *bio);
 int dm_open_count(struct mapped_device *md);
 int dm_lock_for_deletion(struct mapped_device *md);
 
+void dm_kobject_uevent(struct mapped_device *md);
+
 #endif