+ ext4-use-little-endian-bitops.patch added to -mm tree

[akpm@linux-foundation.org]

The patch titled
     ext4: use little-endian bitops
has been added to the -mm tree.  Its filename is
     ext4-use-little-endian-bitops.patch

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------------------------------------------------------
Subject: ext4: use little-endian bitops
From: Akinobu Mita <akinobu.mita@gmail.com>

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 <akinobu.mita@gmail.com>
Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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