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-rw-r--r--drivers/md/raid0.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 24b359717a7e..15c8d3505450 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -411,7 +411,8 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks
"%s does not support generic reshape\n", __func__);
rdev_for_each(rdev, mddev)
- array_sectors += rdev->sectors;
+ array_sectors += (rdev->sectors &
+ ~(sector_t)(mddev->chunk_sectors-1));
return array_sectors;
}