dm: use little endian bit operations
 

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: Alasdair Kergon
Cc: dm-devel@redhat.com
---
drivers/md/dm-log.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 5a08be0..9a61fbc 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -251,20 +251,20 @@ struct log_c {
*/
static inline int log_test_bit(uint32_t *bs, unsigned bit)
{
- return ext2_test_bit(bit, (unsigned long *) bs) ? 1 : 0;
+ return test_le_bit(bit, (unsigned long *) bs) ? 1 : 0;
}

static inline void log_set_bit(struct log_c *l,
uint32_t *bs, unsigned bit)
{
- ext2_set_bit(bit, (unsigned long *) bs);
+ __test_and_set_le_bit(bit, (unsigned long *) bs);
l->touched_cleaned = 1;
}

static inline void log_clear_bit(struct log_c *l,
uint32_t *bs, unsigned bit)
{
- ext2_clear_bit(bit, (unsigned long *) bs);
+ __test_and_clear_le_bit(bit, (unsigned long *) bs);
l->touched_dirtied = 1;
}

@@ -740,7 +740,7 @@ static int core_get_resync_work(struct dm_dirty_log *log, region_t *region)
return 0;

do {
- *region = ext2_find_next_zero_bit(
+ *region = find_next_zero_le_bit(
(unsigned long *) lc->sync_bits,
lc->region_count,
lc->sync_search);
--
1.7.1.231.gd0b16

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