From d8ea6cf89991000ae458e34e36379814cf202555 Mon Sep 17 00:00:00 2001 From: vignesh babu <vignesh.babu@wipro.com> Date: Tue, 16 Oct 2007 23:27:14 -0700 Subject: ext2/4: use is_power_of_2() Replace n & (n - 1) with is_power_of_2(n) Signed-off-by: vignesh babu <vignesh.babu@wipro.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> --- fs/ext4/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/ext4/super.c') diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 0e829cc..4c8d31c 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1738,7 +1738,7 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent) if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_64BIT)) { if (sbi->s_desc_size < EXT4_MIN_DESC_SIZE_64BIT || sbi->s_desc_size > EXT4_MAX_DESC_SIZE || - sbi->s_desc_size & (sbi->s_desc_size - 1)) { + !is_power_of_2(sbi->s_desc_size)) { printk(KERN_ERR "EXT4-fs: unsupported descriptor size %lu\n", sbi->s_desc_size); -- cgit v1.1