From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + ext4-use-little-endian-bitops.patch added to -mm tree Date: Wed, 24 Nov 2010 14:39:59 -0800 Message-ID: <201011242240.oAOMe0Zh008157@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:47322 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755215Ab0KXWp7 (ORCPT ); Wed, 24 Nov 2010 17:45:59 -0500 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: akinobu.mita@gmail.com, adilger.kernel@dilger.ca, tytso@mit.edu The patch titled ext4: use little-endian bitops has been added to the -mm tree. Its filename is ext4-use-little-endian-bitops.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: ext4: use little-endian bitops From: Akinobu Mita As a preparation for removing ext2 non-atomic bit operations from asm/bitops.h. This converts ext2 non-atomic bit operations to little-endian bit operations. Signed-off-by: Akinobu Mita Acked-by: "Theodore Ts'o" Cc: Andreas Dilger Signed-off-by: Andrew Morton --- fs/ext4/ext4.h | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff -puN fs/ext4/ext4.h~ext4-use-little-endian-bitops fs/ext4/ext4.h --- a/fs/ext4/ext4.h~ext4-use-little-endian-bitops +++ a/fs/ext4/ext4.h @@ -921,14 +921,20 @@ struct ext4_inode_info { #define test_opt(sb, opt) (EXT4_SB(sb)->s_mount_opt & \ EXT4_MOUNT_##opt) -#define ext4_set_bit ext2_set_bit +#define ext4_set_bit(nr, addr) \ + __test_and_set_le_bit((nr), (unsigned long *)(addr)) #define ext4_set_bit_atomic ext2_set_bit_atomic -#define ext4_clear_bit ext2_clear_bit +#define ext4_clear_bit(nr, addr) \ + __test_and_clear_le_bit((nr), (unsigned long *)(addr)) #define ext4_clear_bit_atomic ext2_clear_bit_atomic -#define ext4_test_bit ext2_test_bit -#define ext4_find_first_zero_bit ext2_find_first_zero_bit -#define ext4_find_next_zero_bit ext2_find_next_zero_bit -#define ext4_find_next_bit ext2_find_next_bit +#define ext4_test_bit(nr, addr) \ + test_le_bit((nr), (unsigned long *)(addr)) +#define ext4_find_first_zero_bit(addr, size) \ + find_first_zero_le_bit((unsigned long *)(addr), (size)) +#define ext4_find_next_zero_bit(addr, size, off) \ + find_next_zero_le_bit((unsigned long *)(addr), (size), (off)) +#define ext4_find_next_bit(addr, size, off) \ + find_next_le_bit((unsigned long *)(addr), (size), (off)) /* * Maximal mount counts between two filesystem checks _ Patches currently in -mm which might be from akinobu.mita@gmail.com are bitops-merge-little-and-big-endian-definisions-in-asm-generic-bitops-leh.patch bitops-rename-generic-little-endian-bitops-functions.patch s390-introduce-little-endian-bitops.patch arm-introduce-little-endian-bitops.patch m68k-introduce-little-endian-bitops.patch m68knommu-introduce-little-endian-bitops.patch bitops-introduce-little-endian-bitops-for-most-architectures.patch rds-stop-including-asm-generic-bitops-leh.patch kvm-stop-including-asm-generic-bitops-leh.patch asm-generic-use-little-endian-bitops.patch ext3-use-little-endian-bitops.patch ext4-use-little-endian-bitops.patch ocfs2-use-little-endian-bitops.patch nilfs2-use-little-endian-bitops.patch reiserfs-use-little-endian-bitops.patch udf-use-little-endian-bitops.patch ufs-use-little-endian-bitops.patch md-use-little-endian-bit-operations.patch dm-use-little-endian-bit-operations.patch bitops-remove-ext2-non-atomic-bitops-from-asm-bitopsh.patch m68k-remove-inline-asm-from-minix_find_first_zero_bit.patch bitops-remove-minix-bitops-from-asm-bitopsh.patch