Commit ed4d0a4e authored Apr 04, 2019 by Christoph Hellwig Committed by Song Liu Apr 10, 2019

md: add a missing endianness conversion in check_sb_changes



The on-disk value is little endian and we need to convert it to
native endian before storing the value in the in-core structure.

Fixes: 7564beda ("md-cluster/raid10: support add disk under grow mode")
Cc: <stable@vger.kernel.org> # 4.20+
Acked-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <songliubraving@fb.com>

parent ee37e621

drivers/md/md.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -9227,7 +9227,7 @@ static void check_sb_changes(struct mddev mddev, struct md_rdev rdev)
		* reshape is happening in the remote node, we need to
		* update reshape_position and call start_reshape.
		*/
		mddev->reshape_position = sb->reshape_position;
		mddev->reshape_position = le64_to_cpu(sb->reshape_position);
		if (mddev->pers->update_reshape_pos)
		mddev->pers->update_reshape_pos(mddev);
		if (mddev->pers->start_reshape)

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