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dm persistent data: convert to use le32_add_cpu 

Convert cpu_to_le32(le32_to_cpu(E1) + E2) to use le32_add_cpu().

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Wei Yongjun 2012-10-12 16:59:47 +01:00 committed by Alasdair G Kergon
parent fe5fe90639
commit 0bcf08798e
1 changed files with 2 additions and 2 deletions
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4
drivers/md/persistent-data/dm-space-map-common.c
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@ -434,14 +434,14 @@ int sm_ll_insert(struct ll_disk *ll, dm_block_t b,
if (ref_count && !old) {
*ev = SM_ALLOC;
ll->nr_allocated++;
ie_disk.nr_free = cpu_to_le32(le32_to_cpu(ie_disk.nr_free) - 1);
le32_add_cpu(&ie_disk.nr_free, -1);
if (le32_to_cpu(ie_disk.none_free_before) == bit)
ie_disk.none_free_before = cpu_to_le32(bit + 1);
} else if (old && !ref_count) {
*ev = SM_FREE;
ll->nr_allocated--;
ie_disk.nr_free = cpu_to_le32(le32_to_cpu(ie_disk.nr_free) + 1);
le32_add_cpu(&ie_disk.nr_free, 1);
ie_disk.none_free_before = cpu_to_le32(min(le32_to_cpu(ie_disk.none_free_before), bit));
}