Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9e8c4273ef4f631a896650bd2ade4c1b6487131b
Commit: 9e8c4273ef4f631a896650bd2ade4c1b6487131b
Parent: e7c310c36e5fdf1b83a459e5db167bfbd86137db
Author: vignesh babu <[EMAIL PROTECTED]>
AuthorDate: Sun Jul 15 23:41:36 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon Jul 16 09:05:50 2007 -0700
is_power_of_2: ufs/super.c
Replace (n & (n-1)) with is_power_of_2
Signed-off-by: vignesh babu <[EMAIL PROTECTED]>
Acked-by: Evgeniy Dushistov <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
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 22ff6ed..2b30116 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -87,6 +87,7 @@
#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include <linux/vfs.h>
+#include <linux/log2.h>
#include "swab.h"
#include "util.h"
@@ -854,7 +855,7 @@ magic_found:
uspi->s_fmask = fs32_to_cpu(sb, usb1->fs_fmask);
uspi->s_fshift = fs32_to_cpu(sb, usb1->fs_fshift);
- if (uspi->s_fsize & (uspi->s_fsize - 1)) {
+ if (!is_power_of_2(uspi->s_fsize)) {
printk(KERN_ERR "ufs_read_super: fragment size %u is not a
power of 2\n",
uspi->s_fsize);
goto failed;
@@ -869,7 +870,7 @@ magic_found:
uspi->s_fsize);
goto failed;
}
- if (uspi->s_bsize & (uspi->s_bsize - 1)) {
+ if (!is_power_of_2(uspi->s_bsize)) {
printk(KERN_ERR "ufs_read_super: block size %u is not a power
of 2\n",
uspi->s_bsize);
goto failed;
-
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