ext4: use little-endian bitops
Akinobu Mita [Wed, 23 Mar 2011 23:42:07 +0000 (16:42 -0700)]
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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ext4/ext4.h

index 3aa0b72..4daaf2b 100644 (file)
@@ -923,14 +923,14 @@ struct ext4_inode_info {
 #define test_opt2(sb, opt)             (EXT4_SB(sb)->s_mount_opt2 & \
                                         EXT4_MOUNT2_##opt)
 
-#define ext4_set_bit                   ext2_set_bit
+#define ext4_set_bit                   __test_and_set_bit_le
 #define ext4_set_bit_atomic            ext2_set_bit_atomic
-#define ext4_clear_bit                 ext2_clear_bit
+#define ext4_clear_bit                 __test_and_clear_bit_le
 #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                  test_bit_le
+#define ext4_find_first_zero_bit       find_first_zero_bit_le
+#define ext4_find_next_zero_bit                find_next_zero_bit_le
+#define ext4_find_next_bit             find_next_bit_le
 
 /*
  * Maximal mount counts between two filesystem checks