dm: delay target

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

diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index 81c98d6e35e97c6489b51ed9e83fd0117ea175e1..2f796b1436b2a6f898fac79f05cf4bee036d04f0 100644 (file)
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -32,10 +32,24 @@
 
 #define SECTOR_SHIFT 9
 
+/*
+ * Definitions of return values from target end_io function.
+ */
+#define DM_ENDIO_INCOMPLETE    1
+#define DM_ENDIO_REQUEUE       2
+
+/*
+ * Definitions of return values from target map function.
+ */
+#define DM_MAPIO_SUBMITTED     0
+#define DM_MAPIO_REMAPPED      1
+#define DM_MAPIO_REQUEUE       DM_ENDIO_REQUEUE
+
 /*
  * Suspend feature flags
  */
 #define DM_SUSPEND_LOCKFS_FLAG         (1 << 0)
+#define DM_SUSPEND_NOFLUSH_FLAG                (1 << 1)
 
 /*
  * List of devices that a metadevice uses and should open/close.