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Commit 0bcf0879 authored by Wei Yongjun's avatar Wei Yongjun Committed by Alasdair G Kergon
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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: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent fe5fe906

drivers/md/persistent-data/dm-space-map-common.c

+2 −2
Original line number Diff line number Diff line
@@ -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));

	}