From cc69a681b2573e8865e29758f1a5b284328efb2d Mon Sep 17 00:00:00 2001
From: Huang Xiaojia <huangxiaojia2@huawei.com>
Date: Mon, 24 Jun 2024 14:37:04 +0800
Subject: [PATCH] erofs: convert to use super_set_uuid to support for
 FS_IOC_GETFSUUID

FS_IOC_GETFSUUID ioctl exposes the uuid of a filesystem. To support
the ioctl, init sb->s_uuid with super_set_uuid().

Signed-off-by: Huang Xiaojia <huangxiaojia2@huawei.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20240624063704.2476070-1-huangxiaojia2@huawei.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---
 fs/erofs/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index c93bd24d27717..1b91d95130138 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -343,7 +343,7 @@ static int erofs_read_superblock(struct super_block *sb)
 	sbi->build_time = le64_to_cpu(dsb->build_time);
 	sbi->build_time_nsec = le32_to_cpu(dsb->build_time_nsec);
 
-	memcpy(&sb->s_uuid, dsb->uuid, sizeof(dsb->uuid));
+	super_set_uuid(sb, (void *)dsb->uuid, sizeof(dsb->uuid));
 
 	ret = strscpy(sbi->volume_name, dsb->volume_name,
 		      sizeof(dsb->volume_name));
-- 
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