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Commit 6b33aff3 authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
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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: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Acked-by: default avatarNeilBrown <neilb@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3cdc7125

drivers/md/bitmap.c

+3 −3
Original line number Diff line number Diff line
@@ -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