md: always update level / chunk_size / layout when writing v1.x metadata. (62e1e389) · Commits · 戴 / test

We previously didn't update these fields when writing the metadata because they could never change. They can now, so we better write them. v0.90 metadata always updated these fields. Signed-off-by:

NeilBrown <neilb@suse.de>

drivers/md/md.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1375,6 +1375,9 @@ static void super_1_sync(mddev_t mddev, mdk_rdev_t rdev)

		sb->raid_disks = cpu_to_le32(mddev->raid_disks);
		sb->size = cpu_to_le64(mddev->dev_sectors);
		sb->chunksize = cpu_to_le32(mddev->chunk_size >> 9);
		sb->level = cpu_to_le32(mddev->level);
		sb->layout = cpu_to_le32(mddev->layout);

		if (mddev->bitmap && mddev->bitmap_file == NULL) {
		sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_offset);

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