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dm: use little-endian bitops

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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 <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Akinobu Mita
2011-03-23 16:42:13 -07:00
committed by Linus Torvalds
parent 6b33aff368
commit bb5cda3d70
1 changed files with 4 additions and 4 deletions
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8
drivers/md/dm-log.c
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@@ -251,20 +251,20 @@ struct log_c {
*/ */
static inline int log_test_bit(uint32_t *bs, unsigned bit) static inline int log_test_bit(uint32_t *bs, unsigned bit)
{ {
return ext2_test_bit(bit, (unsigned long *) bs) ? 1 : 0; return test_bit_le(bit, (unsigned long *) bs) ? 1 : 0;
} }
static inline void log_set_bit(struct log_c *l, static inline void log_set_bit(struct log_c *l,
uint32_t *bs, unsigned bit) uint32_t *bs, unsigned bit)
{ {
ext2_set_bit(bit, (unsigned long *) bs); __test_and_set_bit_le(bit, (unsigned long *) bs);
l->touched_cleaned = 1; l->touched_cleaned = 1;
} }
static inline void log_clear_bit(struct log_c *l, static inline void log_clear_bit(struct log_c *l,
uint32_t *bs, unsigned bit) uint32_t *bs, unsigned bit)
{ {
ext2_clear_bit(bit, (unsigned long *) bs); __test_and_clear_bit_le(bit, (unsigned long *) bs);
l->touched_dirtied = 1; l->touched_dirtied = 1;
} }
@@ -740,7 +740,7 @@ static int core_get_resync_work(struct dm_dirty_log *log, region_t *region)
return 0; return 0;
do { do {
*region = ext2_find_next_zero_bit( *region = find_next_zero_bit_le(
(unsigned long *) lc->sync_bits, (unsigned long *) lc->sync_bits,
lc->region_count, lc->region_count,
lc->sync_search); lc->sync_search);