From e76004093db167730bb3871d6c307a3e32a821f4 Mon Sep 17 00:00:00 2001
From: majianpeng <majianpeng@gmail.com>
Date: Mon, 29 Apr 2013 15:08:51 -0700
Subject: fs/buffer.c: remove unnecessary init operation after allocating
 buffer_head.

bh allocation uses kmem_cache_zalloc() so we needn't call
'init_buffer(bh, NULL, NULL)' and perform other set-zero-operations.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/buffer.c | 2 --
 1 file changed, 2 deletions(-)

(limited to 'fs/buffer.c')

diff --git a/fs/buffer.c b/fs/buffer.c
index 71578d69b82d..10ef81e10b20 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -865,8 +865,6 @@ try_again:
 
 		/* Link the buffer to its page */
 		set_bh_page(bh, page, offset);
-
-		init_buffer(bh, NULL, NULL);
 	}
 	return head;
 /*
-- 
cgit