md: 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@gmail.com>
Acked-by: NeilBrown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 9a35320..a2ce0b2 100644 (file)
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -854,7 +854,7 @@ 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_bit_le(bit, kaddr);
                kunmap_atomic(kaddr, KM_USER0);
                PRINTK("set file bit %lu page %lu\n", bit, page->index);
        }
@@ -1050,7 +1050,7 @@ 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_bit_le(bit, paddr);
                kunmap_atomic(paddr, KM_USER0);
                if (b) {
                        /* if the disk bit is set, set the memory bit */
@@ -1226,7 +1226,7 @@ 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_bit_le(file_page_offset(bitmap, j),
                                                               paddr);
                                        kunmap_atomic(paddr, KM_USER0);
                                } else