To check for partitions of the same disk bd_contains works as well, but
bd_disk is way more obvious.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/md/md.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9562ef598ae1f4..3f33562d10d6f5 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2322,8 +2322,7 @@ static int match_mddev_units(struct mddev *mddev1, struct mddev *mddev2)
test_bit(Journal, &rdev2->flags) ||
rdev2->raid_disk == -1)
continue;
- if (rdev->bdev->bd_contains ==
- rdev2->bdev->bd_contains) {
+ if (rdev->bdev->bd_disk == rdev2->bdev->bd_disk) {
rcu_read_unlock();
return 1;
}
@@ -5944,8 +5943,8 @@ int md_run(struct mddev *mddev)
rdev_for_each(rdev, mddev)
rdev_for_each(rdev2, mddev) {
if (rdev < rdev2 &&
- rdev->bdev->bd_contains ==
- rdev2->bdev->bd_contains) {
+ rdev->bdev->bd_disk ==
+ rdev2->bdev->bd_disk) {
pr_warn("%s: WARNING: %s appears to be on the same physical disk as %s.\n",
mdname(mddev),
bdevname(rdev->bdev,b),
--
2.28.0
--
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