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-rw-r--r--drivers/md/md.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index fcd0987..3f6203a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1108,8 +1108,11 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor
ret = 0;
}
rdev->sectors = rdev->sb_start;
- /* Limit to 4TB as metadata cannot record more than that */
- if (rdev->sectors >= (2ULL << 32))
+ /* Limit to 4TB as metadata cannot record more than that.
+ * (not needed for Linear and RAID0 as metadata doesn't
+ * record this size)
+ */
+ if (rdev->sectors >= (2ULL << 32) && sb->level >= 1)
rdev->sectors = (2ULL << 32) - 2;
if (rdev->sectors < ((sector_t)sb->size) * 2 && sb->level >= 1)
@@ -1400,7 +1403,7 @@ super_90_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
/* Limit to 4TB as metadata cannot record more than that.
* 4TB == 2^32 KB, or 2*2^32 sectors.
*/
- if (num_sectors >= (2ULL << 32))
+ if (num_sectors >= (2ULL << 32) && rdev->mddev->level >= 1)
num_sectors = (2ULL << 32) - 2;
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
rdev->sb_page);
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