From f4b64ae6745177642cd9610cfd7df0041e7fca58 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Sun, 14 Feb 2021 10:31:03 +0000
Subject: [PATCH] lightnvm: pblk: Replace guid_copy() with
 export_guid()/import_guid()
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There is a specific API to treat raw data as GUID, i.e. export_guid()
and import_guid(). Use them instead of guid_copy() with explicit casting.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Matias Bjørling <matias.bjorling@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/lightnvm/pblk-core.c     | 5 ++---
 drivers/lightnvm/pblk-recovery.c | 3 +--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 1dddba11e72123..33d39d3dd3433a 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -988,7 +988,7 @@ static int pblk_line_init_metadata(struct pblk *pblk, struct pblk_line *line,
 	bitmap_set(line->lun_bitmap, 0, lm->lun_bitmap_len);
 
 	smeta_buf->header.identifier = cpu_to_le32(PBLK_MAGIC);
-	guid_copy((guid_t *)&smeta_buf->header.uuid, &pblk->instance_uuid);
+	export_guid(smeta_buf->header.uuid, &pblk->instance_uuid);
 	smeta_buf->header.id = cpu_to_le32(line->id);
 	smeta_buf->header.type = cpu_to_le16(line->type);
 	smeta_buf->header.version_major = SMETA_VERSION_MAJOR;
@@ -1803,8 +1803,7 @@ void pblk_line_close_meta(struct pblk *pblk, struct pblk_line *line)
 
 	if (le32_to_cpu(emeta_buf->header.identifier) != PBLK_MAGIC) {
 		emeta_buf->header.identifier = cpu_to_le32(PBLK_MAGIC);
-		guid_copy((guid_t *)&emeta_buf->header.uuid,
-							&pblk->instance_uuid);
+		export_guid(emeta_buf->header.uuid, &pblk->instance_uuid);
 		emeta_buf->header.id = cpu_to_le32(line->id);
 		emeta_buf->header.type = cpu_to_le16(line->type);
 		emeta_buf->header.version_major = EMETA_VERSION_MAJOR;
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 299ef47a17b22a..0e6f0c76e93027 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -706,8 +706,7 @@ struct pblk_line *pblk_recov_l2p(struct pblk *pblk)
 
 		/* The first valid instance uuid is used for initialization */
 		if (!valid_uuid) {
-			guid_copy(&pblk->instance_uuid,
-				  (guid_t *)&smeta_buf->header.uuid);
+			import_guid(&pblk->instance_uuid, smeta_buf->header.uuid);
 			valid_uuid = 1;
 		}
 
-- 
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