const char *bdevname(struct block_device *bdev, char *buf)
{
- int partno = 0;
-
- if (bdev->bd_part)
- partno = bdev->bd_part->partno;
-
- return disk_name(bdev->bd_disk, partno, buf);
+ return disk_name(bdev->bd_disk, bdev->bd_part->partno, buf);
}
EXPORT_SYMBOL(bdevname);
if (isdigit(state->name[strlen(state->name)-1]))
sprintf(state->name, "p");
- state->limit = disk_max_parts(hd) + 1;
+ state->limit = disk_max_parts(hd);
i = res = err = 0;
while (!res && check_part[i]) {
memset(&state->parts, 0, sizeof(state->parts));
return sprintf(buf, "%llu\n",(unsigned long long)p->start_sect);
}
-static ssize_t part_size_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+ssize_t part_size_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct hd_struct *p = dev_to_part(dev);
return sprintf(buf, "%llu\n",(unsigned long long)p->nr_sects);
.release = part_release,
};
-static inline void disk_sysfs_add_subdirs(struct gendisk *disk)
-{
- struct kobject *k;
-
- k = kobject_get(&disk_to_dev(disk)->kobj);
- disk->holder_dir = kobject_create_and_add("holders", k);
- disk->slave_dir = kobject_create_and_add("slaves", k);
- kobject_put(k);
-}
-
static void delete_partition_rcu_cb(struct rcu_head *head)
{
struct hd_struct *part = container_of(head, struct hd_struct, rcu_head);
{
struct hd_struct *part;
- part = disk->__part[partno-1];
+ part = disk->__part[partno];
if (!part)
return;
blk_free_devt(part_devt(part));
- rcu_assign_pointer(disk->__part[partno-1], NULL);
+ rcu_assign_pointer(disk->__part[partno], NULL);
kobject_put(part->holder_dir);
device_del(part_to_dev(part));
const char *dname;
int err;
- if (disk->__part[partno - 1])
+ if (disk->__part[partno])
return -EBUSY;
p = kzalloc(sizeof(*p), GFP_KERNEL);
p->start_sect = start;
p->nr_sects = len;
p->partno = partno;
- p->policy = disk->policy;
+ p->policy = get_disk_ro(disk);
dname = dev_name(ddev);
if (isdigit(dname[strlen(dname) - 1]))
/* everything is up and running, commence */
INIT_RCU_HEAD(&p->rcu_head);
- rcu_assign_pointer(disk->__part[partno - 1], p);
+ rcu_assign_pointer(disk->__part[partno], p);
/* suppress uevent if the disk supresses it */
if (!ddev->uevent_suppress)
return;
}
#endif
- disk_sysfs_add_subdirs(disk);
+ 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_max_parts(disk))
+ if (!disk_partitionable(disk))
goto exit;
/* No such device (e.g., media were just removed) */
disk_part_iter_exit(&piter);
invalidate_partition(disk, 0);
- disk->capacity = 0;
+ set_capacity(disk, 0);
disk->flags &= ~GENHD_FL_UP;
unlink_gendisk(disk);
disk_stat_set_all(disk, 0);
disk->stamp = 0;
- kobject_put(disk->holder_dir);
+ kobject_put(disk->part0.holder_dir);
kobject_put(disk->slave_dir);
disk->driverfs_dev = NULL;
#ifndef CONFIG_SYSFS_DEPRECATED