linux-kernel - [PATCH -next] dm integrity: convert to use le64_add

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Message-ID: <20200914041749.3702000-1-liushixin2@huawei.com>
Date:   Mon, 14 Sep 2020 12:17:49 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>, <dm-devel@...hat.com>
CC:     <linux-kernel@...r.kernel.org>, Liu Shixin <liushixin2@...wei.com>
Subject: [PATCH -next] dm integrity: convert to use le64_add_cpu()

Convert cpu_to_le64(le64_to_cpu(E1) + E2) to use le64_add_cpu().

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 drivers/md/dm-integrity.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 3fc3757def55..cf9dadd55625 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -3696,7 +3696,7 @@ static int create_journal(struct dm_integrity_c *ic, char **error)
 retest_commit_id:
 		for (j = 0; j < i; j++) {
 			if (ic->commit_ids[j] == ic->commit_ids[i]) {
-				ic->commit_ids[i] = cpu_to_le64(le64_to_cpu(ic->commit_ids[i]) + 1);
+				le64_add_cpu(&ic->commit_ids[i], 1);
 				goto retest_commit_id;
 			}
 		}
-- 
2.25.1