Branch b1_8

b=17197

roll back this patch, it causes lbugs.

diff --git a/lustre/llite/rw.c b/lustre/llite/rw.c
index 79bc040..e89e320 100644 (file)
--- a/lustre/llite/rw.c
+++ b/lustre/llite/rw.c
@@ -1901,12 +1901,9 @@ static void ras_update(struct ll_sb_info *sbi, struct inode *inode,
         if (zero) {
                 /* check whether it is in stride I/O mode*/
                 if (!index_in_stride_window(index, ras, inode)) {
-                        if (ras->ras_consecutive_stride_requests++ == 0)
-                                ras_update_stride_detector(ras, index);
-                        else
-                                ras_stride_reset(ras);
                         ras_reset(ras, index);
                         ras->ras_consecutive_pages++;
+                        ras_stride_reset(ras);
                         GOTO(out_unlock, 0);
                 } else {
                         ras->ras_consecutive_pages = 0;