Ocfs2 devel - Oct 2010 - [PATCH 13/22] ocfs2: use little endian bitops

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 at gmail.com>
Cc: Mark Fasheh <mfasheh at suse.com>
Cc: Joel Becker <joel.becker at oracle.com>
Cc: ocfs2-devel at oss.oracle.com
---
 fs/ocfs2/ocfs2.h |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index c67003b..24b0cb0 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -787,18 +787,21 @@ static inline unsigned int
ocfs2_clusters_to_megabytes(struct super_block *sb,
 
 static inline void _ocfs2_set_bit(unsigned int bit, unsigned long *bitmap)
 {
-	ext2_set_bit(bit, bitmap);
+	__test_and_set_le_bit(bit, bitmap);
 }
 #define ocfs2_set_bit(bit, addr) _ocfs2_set_bit((bit), (unsigned long *)(addr))
 
 static inline void _ocfs2_clear_bit(unsigned int bit, unsigned long *bitmap)
 {
-	ext2_clear_bit(bit, bitmap);
+	__test_and_clear_le_bit(bit, bitmap);
 }
 #define ocfs2_clear_bit(bit, addr) _ocfs2_clear_bit((bit), (unsigned long
*)(addr))
 
-#define ocfs2_test_bit ext2_test_bit
-#define ocfs2_find_next_zero_bit ext2_find_next_zero_bit
-#define ocfs2_find_next_bit ext2_find_next_bit
+#define ocfs2_test_bit(nr, addr)	\
+	test_le_bit(nr, (unsigned long *)(addr))
+#define ocfs2_find_next_zero_bit(addr, size, off)	\
+	find_next_zero_le_bit((unsigned long *)(addr), size, off)
+#define ocfs2_find_next_bit(addr, size, off)	\
+	find_next_le_bit((unsigned long *)(addr), size, off)
 #endif  /* OCFS2_H */
 
-- 
1.7.1.231.gd0b16

On Fri, Oct 15, 2010 at 06:46:12PM +0900, Akinobu Mita
wrote:
> 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 at gmail.com>
> Cc: Mark Fasheh <mfasheh at suse.com>
> Cc: Joel Becker <joel.becker at oracle.com>
> Cc: ocfs2-devel at oss.oracle.com
Acked-by: Joel Becker <joel.becker at oracle.com>


-- 

 There are morethings in heaven and earth, Horatio,
 Than are dreamt of in your philosophy.

Joel Becker
Consulting Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127