From 3b30bbd963ac2606b0377b39c9d148d6eeef7dce Mon Sep 17 00:00:00 2001
From: Steven Pratt <slpratt@austin.ibm.com>
Date: Tue, 6 Sep 2005 15:17:06 -0700
Subject: [PATCH] [PATCH] readahead: reset cache_hit earlier

We don't reset the cache hit count until after readahead does a successful
readahead.  This seems to leave a corner case open where we miss in cache,
but don't restart the readhead right away.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 mm/readahead.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/readahead.c b/mm/readahead.c
index b840e7c6ea7..d0b50034e24 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -540,6 +540,7 @@ void handle_ra_miss(struct address_space *mapping,
 {
 	ra->flags |= RA_FLAG_MISS;
 	ra->flags &= ~RA_FLAG_INCACHE;
+	ra->cache_hit = 0;
 }
 
 /*