From: Hannes Reinecke <hare@xxxxxxx>
When creating nvme multipath devices we should populate the 'slaves' and
'holders' directorys properly to aid userspace topology detection.
Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
[hch: split from a larger patch]
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/genhd.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/block/genhd.c b/block/genhd.c
index 835e907e6e01..3de1671631bf 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -585,14 +585,14 @@ static void register_disk(struct device *parent, struct gendisk *disk)
*/
pm_runtime_set_memalloc_noio(ddev, true);
+ disk->part0.holder_dir = kobject_create_and_add("holders", &ddev->kobj);
+ disk->slave_dir = kobject_create_and_add("slaves", &ddev->kobj);
+
if (disk->flags & GENHD_FL_HIDDEN) {
dev_set_uevent_suppress(ddev, 0);
return;
}
- disk->part0.holder_dir = kobject_create_and_add("holders", &ddev->kobj);
- disk->slave_dir = kobject_create_and_add("slaves", &ddev->kobj);
-
/* No minors to use for partitions */
if (!disk_part_scan_enabled(disk))
goto exit;
@@ -728,11 +728,11 @@ void del_gendisk(struct gendisk *disk)
WARN_ON(1);
}
- if (!(disk->flags & GENHD_FL_HIDDEN)) {
+ if (!(disk->flags & GENHD_FL_HIDDEN))
blk_unregister_region(disk_devt(disk), disk->minors);
- kobject_put(disk->part0.holder_dir);
- kobject_put(disk->slave_dir);
- }
+
+ kobject_put(disk->part0.holder_dir);
+ kobject_put(disk->slave_dir);
part_stat_set_all(&disk->part0, 0);
disk->part0.stamp = 0;
--
2.14.2
