bcache: set writeback_rate_update_seconds in range [1, 60] seconds

[linux-2.6-microblaze.git] / drivers / md / bcache / writeback.h

diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h
index 66f1c52..587b255 100644 (file)
--- a/drivers/md/bcache/writeback.h
+++ b/drivers/md/bcache/writeback.h
@@ -8,6 +8,9 @@
 #define MAX_WRITEBACKS_IN_PASS  5
 #define MAX_WRITESIZE_IN_PASS   5000   /* *512b */
 
+#define WRITEBACK_RATE_UPDATE_SECS_MAX         60
+#define WRITEBACK_RATE_UPDATE_SECS_DEFAULT     5
+
 /*
  * 14 (16384ths) is chosen here as something that each backing device
  * should be a reasonable fraction of the share, and not to blow up