Merge branch 'topic/pcm-estrpipe-in-pm' into for-linus

[pandora-kernel.git] / include / linux / device-mapper.h

diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 655e772..df7607e 100644 (file)
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -91,6 +91,9 @@ typedef int (*dm_iterate_devices_fn) (struct dm_target *ti,
                                      iterate_devices_callout_fn fn,
                                      void *data);
 
+typedef void (*dm_io_hints_fn) (struct dm_target *ti,
+                               struct queue_limits *limits);
+
 /*
  * Returns:
  *    0: The target can handle the next I/O immediately.
@@ -151,6 +154,7 @@ struct target_type {
        dm_merge_fn merge;
        dm_busy_fn busy;
        dm_iterate_devices_fn iterate_devices;
+       dm_io_hints_fn io_hints;
 
        /* For internal device-mapper use. */
        struct list_head list;