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    Subject[PATCH 18/22] md: use little endian bit operations
    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: Neil Brown <neilb@suse.de>
    Cc: linux-raid@vger.kernel.org
    ---
    drivers/md/bitmap.c | 6 +++---
    1 files changed, 3 insertions(+), 3 deletions(-)

    diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
    index e4fb58d..2a37051 100644
    --- a/drivers/md/bitmap.c
    +++ b/drivers/md/bitmap.c
    @@ -850,7 +850,7 @@ static void bitmap_file_set_bit(struct bitmap *bitmap, sector_t block)
    if (bitmap->flags & BITMAP_HOSTENDIAN)
    set_bit(bit, kaddr);
    else
    - ext2_set_bit(bit, kaddr);
    + __test_and_set_le_bit(bit, kaddr);
    kunmap_atomic(kaddr, KM_USER0);
    PRINTK("set file bit %lu page %lu\n", bit, page->index);
    }
    @@ -1046,7 +1046,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
    if (bitmap->flags & BITMAP_HOSTENDIAN)
    b = test_bit(bit, paddr);
    else
    - b = ext2_test_bit(bit, paddr);
    + b = test_le_bit(bit, paddr);
    kunmap_atomic(paddr, KM_USER0);
    if (b) {
    /* if the disk bit is set, set the memory bit */
    @@ -1222,7 +1222,7 @@ void bitmap_daemon_work(mddev_t *mddev)
    clear_bit(file_page_offset(bitmap, j),
    paddr);
    else
    - ext2_clear_bit(file_page_offset(bitmap, j),
    + __test_and_clear_le_bit(file_page_offset(bitmap, j),
    paddr);
    kunmap_atomic(paddr, KM_USER0);
    } else
    --
    1.7.1.231.gd0b16


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