From: akpm@linux-foundation.org Subject: - ext2-4-use-is_power_of_2.patch removed from -mm tree Date: Wed, 17 Oct 2007 23:56:19 -0700 Message-ID: <200710180656.l9I6uJQq030693@imap1.linux-foundation.org> To: vignesh.babu@wipro.com, linux-ext4@vger.kernel.org, mm-commits@vger.kernel.org Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:47459 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763655AbXJRHQm (ORCPT ); Thu, 18 Oct 2007 03:16:42 -0400 Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org The patch titled ext2/4: use is_power_of_2() has been removed from the -mm tree. Its filename was ext2-4-use-is_power_of_2.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ Subject: ext2/4: use is_power_of_2() From: vignesh babu Replace n & (n - 1) with is_power_of_2(n) Signed-off-by: vignesh babu Cc: Signed-off-by: Andrew Morton --- fs/ext2/super.c | 3 ++- fs/ext4/super.c | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff -puN fs/ext2/super.c~ext2-4-use-is_power_of_2 fs/ext2/super.c --- a/fs/ext2/super.c~ext2-4-use-is_power_of_2 +++ a/fs/ext2/super.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include "ext2.h" #include "xattr.h" @@ -862,7 +863,7 @@ static int ext2_fill_super(struct super_ sbi->s_inode_size = le16_to_cpu(es->s_inode_size); sbi->s_first_ino = le32_to_cpu(es->s_first_ino); if ((sbi->s_inode_size < EXT2_GOOD_OLD_INODE_SIZE) || - (sbi->s_inode_size & (sbi->s_inode_size - 1)) || + !is_power_of_2(sbi->s_inode_size) || (sbi->s_inode_size > blocksize)) { printk ("EXT2-fs: unsupported inode size: %d\n", sbi->s_inode_size); diff -puN fs/ext4/super.c~ext2-4-use-is_power_of_2 fs/ext4/super.c --- a/fs/ext4/super.c~ext2-4-use-is_power_of_2 +++ a/fs/ext4/super.c @@ -1738,7 +1738,7 @@ static int ext4_fill_super (struct super 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); _ Patches currently in -mm which might be from vignesh.babu@wipro.com are origin.patch