The patch titled
is_power_of_2 in fs/block_dev.c
has been removed from the -mm tree. Its filename was
is_power_of_2-in-fs-block_devc.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: is_power_of_2 in fs/block_dev.c
From: Vignesh Babu BM <vignesh.babu@xxxxxxxxx>
Replace (n & (n-1)) in the context of power of 2 checks with is_power_of_2
Signed-off-by: vignesh babu <vignesh.babu@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/block_dev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN fs/block_dev.c~is_power_of_2-in-fs-block_devc fs/block_dev.c
--- a/fs/block_dev.c~is_power_of_2-in-fs-block_devc
+++ a/fs/block_dev.c
@@ -22,6 +22,7 @@
#include <linux/mount.h>
#include <linux/uio.h>
#include <linux/namei.h>
+#include <linux/log2.h>
#include <asm/uaccess.h>
#include "internal.h"
@@ -67,7 +68,7 @@ static void kill_bdev(struct block_devic
int set_blocksize(struct block_device *bdev, int size)
{
/* Size must be a power of two, and between 512 and PAGE_SIZE */
- if (size > PAGE_SIZE || size < 512 || (size & (size-1)))
+ if (size > PAGE_SIZE || size < 512 || !is_power_of_2(size))
return -EINVAL;
/* Size cannot be smaller than the size supported by the device */
_
Patches currently in -mm which might be from vignesh.babu@xxxxxxxxx are
origin.patch
git-alsa.patch
git-ia64.patch
git-scsi-misc.patch
-
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