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authorNeilBrown <neilb@suse.de>2009-05-26 09:40:59 +1000
committerNeilBrown <neilb@suse.de>2009-05-26 09:40:59 +1000
commit62e1e389f87a8839ad83b08c44691d1df8320846 (patch)
treed8915df95d7164188334052b31ffe7ac40aa4e94
parent59a3759d0fe8d969888c741bb33f4946e4d3750d (diff)
md: always update level / chunk_size / layout when writing v1.x metadata.
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>
-rw-r--r--drivers/md/md.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index fccc8343a250..aa79d55875f0 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -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);