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    Subject[PATCH 12/22] ext4: use little endian bitops
    Date
    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>
    Cc: "Theodore Ts'o" <tytso@mit.edu>
    Cc: Andreas Dilger <adilger.kernel@dilger.ca>
    Cc: linux-ext4@vger.kernel.org
    ---
    fs/ext4/ext4.h | 18 ++++++++++++------
    1 files changed, 12 insertions(+), 6 deletions(-)

    diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
    index 889ec9d..821c11a 100644
    --- a/fs/ext4/ext4.h
    +++ b/fs/ext4/ext4.h
    @@ -895,14 +895,20 @@ 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
    --
    1.7.1.231.gd0b16


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