[PATCH] Driver core: add generic "subsystem" link to all devices

[mirror_ubuntu-bionic-kernel.git] / fs / partitions / check.c

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 7ef1f094de911998a88fe76bda393f136d60ec3c..8851b81e7c5afb7a7d911cb606bb0d2c98512055 100644 (file)
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -329,6 +329,7 @@ void delete_partition(struct gendisk *disk, int part)
        p->ios[0] = p->ios[1] = 0;
        p->sectors[0] = p->sectors[1] = 0;
        devfs_remove("%s/part%d", disk->devfs_name, part);
+       sysfs_remove_link(&p->kobj, "subsystem");
        if (p->holder_dir)
                kobject_unregister(p->holder_dir);
        kobject_uevent(&p->kobj, KOBJ_REMOVE);
@@ -363,6 +364,7 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
        kobject_add(&p->kobj);
        if (!disk->part_uevent_suppress)
                kobject_uevent(&p->kobj, KOBJ_ADD);
+       sysfs_create_link(&p->kobj, &block_subsys.kset.kobj, "subsystem");
        partition_sysfs_add_subdir(p);
        disk->part[part-1] = p;
 }
@@ -398,6 +400,7 @@ static void disk_sysfs_symlinks(struct gendisk *disk)
                        kfree(disk_name);
                }
        }
+       sysfs_create_link(&disk->kobj, &block_subsys.kset.kobj, "subsystem");
 }
 
 /* Not exported, helper to add_disk(). */
@@ -548,5 +551,6 @@ void del_gendisk(struct gendisk *disk)
                put_device(disk->driverfs_dev);
                disk->driverfs_dev = NULL;
        }
+       sysfs_remove_link(&disk->kobj, "subsystem");
        kobject_del(&disk->kobj);
 }