diff options
author | vignesh babu <vignesh.babu@wipro.com> | 2007-07-16 02:41:36 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 12:05:50 -0400 |
commit | 9e8c4273ef4f631a896650bd2ade4c1b6487131b (patch) | |
tree | 61b11d755575011af7c4baae7046c32a7a8bfd3f /fs/ufs | |
parent | e7c310c36e5fdf1b83a459e5db167bfbd86137db (diff) |
is_power_of_2: ufs/super.c
Replace (n & (n-1)) with is_power_of_2
Signed-off-by: vignesh babu <vignesh.babu@wipro.com>
Acked-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ufs')
-rw-r--r-- | fs/ufs/super.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 22ff6ed55ce9..2b3011689e89 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c | |||
@@ -87,6 +87,7 @@ | |||
87 | #include <linux/smp_lock.h> | 87 | #include <linux/smp_lock.h> |
88 | #include <linux/buffer_head.h> | 88 | #include <linux/buffer_head.h> |
89 | #include <linux/vfs.h> | 89 | #include <linux/vfs.h> |
90 | #include <linux/log2.h> | ||
90 | 91 | ||
91 | #include "swab.h" | 92 | #include "swab.h" |
92 | #include "util.h" | 93 | #include "util.h" |
@@ -854,7 +855,7 @@ magic_found: | |||
854 | uspi->s_fmask = fs32_to_cpu(sb, usb1->fs_fmask); | 855 | uspi->s_fmask = fs32_to_cpu(sb, usb1->fs_fmask); |
855 | uspi->s_fshift = fs32_to_cpu(sb, usb1->fs_fshift); | 856 | uspi->s_fshift = fs32_to_cpu(sb, usb1->fs_fshift); |
856 | 857 | ||
857 | if (uspi->s_fsize & (uspi->s_fsize - 1)) { | 858 | if (!is_power_of_2(uspi->s_fsize)) { |
858 | printk(KERN_ERR "ufs_read_super: fragment size %u is not a power of 2\n", | 859 | printk(KERN_ERR "ufs_read_super: fragment size %u is not a power of 2\n", |
859 | uspi->s_fsize); | 860 | uspi->s_fsize); |
860 | goto failed; | 861 | goto failed; |
@@ -869,7 +870,7 @@ magic_found: | |||
869 | uspi->s_fsize); | 870 | uspi->s_fsize); |
870 | goto failed; | 871 | goto failed; |
871 | } | 872 | } |
872 | if (uspi->s_bsize & (uspi->s_bsize - 1)) { | 873 | if (!is_power_of_2(uspi->s_bsize)) { |
873 | printk(KERN_ERR "ufs_read_super: block size %u is not a power of 2\n", | 874 | printk(KERN_ERR "ufs_read_super: block size %u is not a power of 2\n", |
874 | uspi->s_bsize); | 875 | uspi->s_bsize); |
875 | goto failed; | 876 | goto failed; |