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md: always update level / chunk_size / layout when writing v1.x metadata.

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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 <[email protected]>
This commit is contained in:
NeilBrown 2009-05-26 09:40:59 +10:00
commit 62e1e389f8
1 changed files with 3 additions and 0 deletions
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3
drivers/md/md.c
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@ -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);