pandora: defconfig: update

[pandora-kernel.git] / include / linux / backing-dev.h

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index dff0ff7..b1038bd 100644 (file)
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -83,8 +83,11 @@ struct backing_dev_info {
        /*
         * The base dirty throttle rate, re-calculated on every 200ms.
         * All the bdi tasks' dirty rate will be curbed under it.
+        * @dirty_ratelimit tracks the estimated @balanced_dirty_ratelimit
+        * in small steps and is much more smooth/stable than the latter.
         */
        unsigned long dirty_ratelimit;
+       unsigned long balanced_dirty_ratelimit;
 
        struct prop_local_percpu completions;
        int dirty_exceeded;
@@ -115,7 +118,8 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent,
 int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);
 void bdi_unregister(struct backing_dev_info *bdi);
 int bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int);
-void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages);
+void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages,
+                       enum wb_reason reason);
 void bdi_start_background_writeback(struct backing_dev_info *bdi);
 int bdi_writeback_thread(void *data);
 int bdi_has_dirty_io(struct backing_dev_info *bdi);