From b713a5ec55bf73c833f9883cdd761b20ee61a1ab Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Tue, 31 Mar 2009 09:11:14 -0400
Subject: ext4: remove /proc tuning knobs

Remove tuning knobs in /proc/fs/ext4/<dev/* since they have been
replaced by knobs in sysfs at /sys/fs/ext4/<dev>/*.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/inode.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

(limited to 'fs/ext4/inode.c')

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 7dcac9d7e491..d3118d1acc39 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4153,12 +4153,7 @@ make_io:
 			unsigned num;
 
 			table = ext4_inode_table(sb, gdp);
-			/* Make sure s_inode_readahead_blks is a power of 2 */
-			while (EXT4_SB(sb)->s_inode_readahead_blks &
-			       (EXT4_SB(sb)->s_inode_readahead_blks-1))
-				EXT4_SB(sb)->s_inode_readahead_blks = 
-				   (EXT4_SB(sb)->s_inode_readahead_blks &
-				    (EXT4_SB(sb)->s_inode_readahead_blks-1));
+			/* s_inode_readahead_blks is always a power of 2 */
 			b = block & ~(EXT4_SB(sb)->s_inode_readahead_blks-1);
 			if (table > b)
 				b = table;
-- 
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