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| author | vignesh babu <vignesh.babu@wipro.com> | 2007-10-16 23:27:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 08:42:53 -0700 |
| commit | d8ea6cf89991000ae458e34e36379814cf202555 (patch) | |
| tree | 267324741b51696f4e5642ff4f53746cee78e4cc /fs/ext4 | |
| parent | 3befe7ceb8d39a56a9ea55dd2da8b4bd9ddcdd36 (diff) | |
| download | linux-stable-d8ea6cf89991000ae458e34e36379814cf202555.tar.gz linux-stable-d8ea6cf89991000ae458e34e36379814cf202555.tar.bz2 linux-stable-d8ea6cf89991000ae458e34e36379814cf202555.zip | |
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>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/super.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 0e829cc8a18a..4c8d31c61454 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); |