---

yaml
---
r: 25762
b: refs/heads/master
c: d4d7e5d
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0f836ca4c122f4ef096110d652a6326fe34e6961
+refs/heads/master: d4d7e5dffc4844ef51fe11f497bd774c04413a00

trunk/fs/partitions/check.c

@@ -331,7 +331,9 @@ void delete_partition(struct gendisk *disk, int part)
 	devfs_remove("%s/part%d", disk->devfs_name, part);
 	if (p->holder_dir)
 		kobject_unregister(p->holder_dir);
-	kobject_unregister(&p->kobj);
+	kobject_uevent(&p->kobj, KOBJ_REMOVE);
+	kobject_del(&p->kobj);
+	kobject_put(&p->kobj);
 }
 
 void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
@@ -357,7 +359,10 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
 		snprintf(p->kobj.name,KOBJ_NAME_LEN,"%s%d",disk->kobj.name,part);
 	p->kobj.parent = &disk->kobj;
 	p->kobj.ktype = &ktype_part;
-	kobject_register(&p->kobj);
+	kobject_init(&p->kobj);
+	kobject_add(&p->kobj);
+	if (!disk->part_uevent_suppress)
+		kobject_uevent(&p->kobj, KOBJ_ADD);
 	partition_sysfs_add_subdir(p);
 	disk->part[part-1] = p;
 }
@@ -395,6 +400,8 @@ void register_disk(struct gendisk *disk)
 {
 	struct block_device *bdev;
 	char *s;
+	int i;
+	struct hd_struct *p;
 	int err;
 
 	strlcpy(disk->kobj.name,disk->disk_name,KOBJ_NAME_LEN);
@@ -406,30 +413,45 @@ void register_disk(struct gendisk *disk)
 		return;
 	disk_sysfs_symlinks(disk);
  	disk_sysfs_add_subdirs(disk);
-	kobject_uevent(&disk->kobj, KOBJ_ADD);
 
 	/* No minors to use for partitions */
 	if (disk->minors == 1) {
 		if (disk->devfs_name[0] != '\0')
 			devfs_add_disk(disk);
-		return;
+		goto exit;
 	}
 
 	/* always add handle for the whole disk */
 	devfs_add_partitioned(disk);
 
 	/* No such device (e.g., media were just removed) */
 	if (!get_capacity(disk))
-		return;
+		goto exit;
 
 	bdev = bdget_disk(disk, 0);
 	if (!bdev)
-		return;
+		goto exit;
 
+	/* scan partition table, but suppress uevents */
 	bdev->bd_invalidated = 1;
-	if (blkdev_get(bdev, FMODE_READ, 0) < 0)
-		return;
+	disk->part_uevent_suppress = 1;
+	err = blkdev_get(bdev, FMODE_READ, 0);
+	disk->part_uevent_suppress = 0;
+	if (err < 0)
+		goto exit;
 	blkdev_put(bdev);
+
+exit:
+	/* announce disk after possible partitions are already created */
+	kobject_uevent(&disk->kobj, KOBJ_ADD);
+
+	/* announce possible partitions */
+	for (i = 1; i < disk->minors; i++) {
+		p = disk->part[i-1];
+		if (!p || !p->nr_sects)
+			continue;
+		kobject_uevent(&p->kobj, KOBJ_ADD);
+	}
 }
 
 int rescan_partitions(struct gendisk *disk, struct block_device *bdev)

trunk/include/linux/genhd.h

@@ -105,6 +105,7 @@ struct gendisk {
                                          * disks that can't be partitioned. */
 	char disk_name[32];		/* name of major driver */
 	struct hd_struct **part;	/* [indexed by minor] */
+	int part_uevent_suppress;
 	struct block_device_operations *fops;
 	struct request_queue *queue;
 	void *private_data;