X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Flov%2Flov_cl_internal.h;h=9563315d439d6df58f67d8e280ffc8565241b8a2;hb=14db1faa0f;hp=40a5836b706251e771046ab8cec93b7494fc4e5e;hpb=35b9575fd02f485f48793bedd5de270b826a82b1;p=fs%2Flustre-release.git

diff --git a/lustre/lov/lov_cl_internal.h b/lustre/lov/lov_cl_internal.h
index 40a5836..9563315 100644
--- a/lustre/lov/lov_cl_internal.h
+++ b/lustre/lov/lov_cl_internal.h
@@ -450,8 +450,6 @@ struct lov_lock {
 
 struct lov_page {
 	struct cl_page_slice	lps_cl;
-	/* the layout gen when this page was created */
-	__u32			lps_layout_gen;
 };
 
 /*
@@ -521,6 +519,7 @@ struct lov_io_sub {
 /**
  * IO state private for LOV.
  */
+#define LIS_CACHE_ENTRY_NONE	-ENOENT
 struct lov_io {
         /** super-class */
         struct cl_io_slice lis_cl;
@@ -586,7 +585,12 @@ struct lov_io {
 	 * All sub-io's created in this lov_io.
 	 */
 	struct list_head	lis_subios;
-
+	/* Cached results from stripe & offset calculations for page init */
+	int			lis_cached_entry;
+	int			lis_cached_stripe;
+	loff_t			lis_cached_off;
+	loff_t			lis_cached_suboff;
+	struct lov_io_sub	*lis_cached_sub;
 };
 
 struct lov_session {