The patch titled
reiserfs: use little-endian bitops
has been added to the -mm tree. Its filename is
reiserfs-use-little-endian-bitops.patch
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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: reiserfs: use little-endian bitops
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/reiserfs_fs.h | 34 ++++++++++++++++++++--------------
1 file changed, 20 insertions(+), 14 deletions(-)
diff -puN include/linux/reiserfs_fs.h~reiserfs-use-little-endian-bitops include/linux/reiserfs_fs.h
--- a/include/linux/reiserfs_fs.h~reiserfs-use-little-endian-bitops
+++ a/include/linux/reiserfs_fs.h
@@ -1124,15 +1124,21 @@ struct reiserfs_de_head {
# define aligned_address(addr) ((void *)((long)(addr) & ~((1UL << ADDR_UNALIGNED_BITS) - 1)))
# define unaligned_offset(addr) (((int)((long)(addr) & ((1 << ADDR_UNALIGNED_BITS) - 1))) << 3)
-# define set_bit_unaligned(nr, addr) ext2_set_bit((nr) + unaligned_offset(addr), aligned_address(addr))
-# define clear_bit_unaligned(nr, addr) ext2_clear_bit((nr) + unaligned_offset(addr), aligned_address(addr))
-# define test_bit_unaligned(nr, addr) ext2_test_bit((nr) + unaligned_offset(addr), aligned_address(addr))
+# define set_bit_unaligned(nr, addr) \
+ __test_and_set_le_bit((nr) + unaligned_offset(addr), aligned_address(addr))
+# define clear_bit_unaligned(nr, addr) \
+ __test_and_clear_le_bit((nr) + unaligned_offset(addr), aligned_address(addr))
+# define test_bit_unaligned(nr, addr) \
+ test_le_bit((nr) + unaligned_offset(addr), aligned_address(addr))
#else
-# define set_bit_unaligned(nr, addr) ext2_set_bit(nr, addr)
-# define clear_bit_unaligned(nr, addr) ext2_clear_bit(nr, addr)
-# define test_bit_unaligned(nr, addr) ext2_test_bit(nr, addr)
+# define set_bit_unaligned(nr, addr) \
+ __test_and_set_le_bit(nr, (unsigned long *)(addr))
+# define clear_bit_unaligned(nr, addr) \
+ __test_and_clear_le_bit(nr, (unsigned long *)(addr))
+# define test_bit_unaligned(nr, addr) \
+ test_le_bit(nr, (unsigned long *)(addr))
#endif
@@ -2329,14 +2335,14 @@ __u32 keyed_hash(const signed char *msg,
__u32 yura_hash(const signed char *msg, int len);
__u32 r5_hash(const signed char *msg, int len);
-/* the ext2 bit routines adjust for big or little endian as
-** appropriate for the arch, so in our laziness we use them rather
-** than using the bit routines they call more directly. These
-** routines must be used when changing on disk bitmaps. */
-#define reiserfs_test_and_set_le_bit ext2_set_bit
-#define reiserfs_test_and_clear_le_bit ext2_clear_bit
-#define reiserfs_test_le_bit ext2_test_bit
-#define reiserfs_find_next_zero_le_bit ext2_find_next_zero_bit
+#define reiserfs_test_and_set_le_bit(nr, addr) \
+ __test_and_set_le_bit((nr), (unsigned long *)(addr))
+#define reiserfs_test_and_clear_le_bit(nr, addr) \
+ __test_and_clear_le_bit((nr), (unsigned long *)(addr))
+#define reiserfs_test_le_bit(nr, addr) \
+ test_le_bit((nr), (unsigned long *)(addr))
+#define reiserfs_find_next_zero_le_bit(addr, size, off) \
+ find_next_zero_le_bit((unsigned long *)(addr), (size), (off))
/* sometimes reiserfs_truncate may require to allocate few new blocks
to perform indirect2direct conversion. People probably used to
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx 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
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