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-rw-r--r--drivers/md/raid10.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index d1203cddb024..b8d76b1fba64 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3872,7 +3872,7 @@ static int raid10_resize(struct mddev *mddev, sector_t sectors)
return 0;
}
-static void *raid10_takeover_raid0(struct mddev *mddev)
+static void *raid10_takeover_raid0(struct mddev *mddev, sector_t size, int devs)
{
struct md_rdev *rdev;
struct r10conf *conf;
@@ -3882,6 +3882,7 @@ static void *raid10_takeover_raid0(struct mddev *mddev)
mdname(mddev));
return ERR_PTR(-EINVAL);
}
+ sector_div(size, devs);
/* Set new parameters */
mddev->new_level = 10;
@@ -3892,12 +3893,15 @@ static void *raid10_takeover_raid0(struct mddev *mddev)
mddev->raid_disks *= 2;
/* make sure it will be not marked as dirty */
mddev->recovery_cp = MaxSector;
+ mddev->dev_sectors = size;
conf = setup_conf(mddev);
if (!IS_ERR(conf)) {
rdev_for_each(rdev, mddev)
- if (rdev->raid_disk >= 0)
+ if (rdev->raid_disk >= 0) {
rdev->new_raid_disk = rdev->raid_disk * 2;
+ rdev->sectors = size;
+ }
conf->barrier = 1;
}
@@ -3920,7 +3924,9 @@ static void *raid10_takeover(struct mddev *mddev)
mdname(mddev));
return ERR_PTR(-EINVAL);
}
- return raid10_takeover_raid0(mddev);
+ return raid10_takeover_raid0(mddev,
+ raid0_conf->strip_zone->zone_end,
+ raid0_conf->strip_zone->nb_dev);
}
return ERR_PTR(-EINVAL);
}
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