From: Wu Fengguang <fengguang.wu@intel.com>
Date: Tue, 16 Jun 2009 22:31:36 +0000 (-0700)
Subject: readahead: remove redundant test in shrink_readahead_size_eio()
X-Git-Tag: v2.6.31-rc1~299^2~164
X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=commitdiff_plain;h=61b7cbdba2f3c588a0cf3db574c562805454b09b

readahead: remove redundant test in shrink_readahead_size_eio()

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/filemap.c b/mm/filemap.c
index 734891d0663d..2e9bcc2e7977 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1004,9 +1004,6 @@ EXPORT_SYMBOL(grab_cache_page_nowait);
 static void shrink_readahead_size_eio(struct file *filp,
 					struct file_ra_state *ra)
 {
-	if (!ra->ra_pages)
-		return;
-
 	ra->ra_pages /= 4;
 }