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authorvignesh babu <vignesh.babu@wipro.com>2007-07-15 23:41:17 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:48 -0700
commit3fc74269c8910573a0e9a7bc303752194ce5cae0 (patch)
treeebe371367d6438a88d13c6d2ebb6157fecb24632
parent681dcd95431e2258c1174602fcd69393e4139959 (diff)
is_power_of_2: ext3/super.c
Replace (n & (n-1)) in the context of power of 2 checks with is_power_of_2() Signed-off-by: vignesh babu <vignesh.babu@wipro.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/ext3/super.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 69a59d4580e9..440c35d98993 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -35,6 +35,7 @@
#include <linux/namei.h>
#include <linux/quotaops.h>
#include <linux/seq_file.h>
+#include <linux/log2.h>
#include <asm/uaccess.h>
@@ -1574,7 +1575,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
sbi->s_inode_size = le16_to_cpu(es->s_inode_size);
sbi->s_first_ino = le32_to_cpu(es->s_first_ino);
if ((sbi->s_inode_size < EXT3_GOOD_OLD_INODE_SIZE) ||
- (sbi->s_inode_size & (sbi->s_inode_size - 1)) ||
+ (!is_power_of_2(sbi->s_inode_size)) ||
(sbi->s_inode_size > blocksize)) {
printk (KERN_ERR
"EXT3-fs: unsupported inode size: %d\n",