extern struct kobject *block_depr;
extern struct class block_class;
-extern const struct seq_operations partitions_op;
-extern const struct seq_operations diskstats_op;
-
enum {
/* These three have identical behaviour; use the second one if DOS FDISK gets
confused about extended/logical partitions starting past cylinder 1023. */
};
#define DISK_MAX_PARTS 256
+#define DISK_NAME_LEN 32
#include <linux/major.h>
#include <linux/device.h>
struct disk_part_tbl {
struct rcu_head rcu_head;
int len;
+ struct hd_struct *last_lookup;
struct hd_struct *part[];
};
int minors; /* maximum number of minors, =1 for
* disks that can't be partitioned. */
- char disk_name[32]; /* name of major driver */
+ char disk_name[DISK_NAME_LEN]; /* name of major driver */
/* Array of pointers to partitions indexed by partno.
* Protected with matching bdev lock but stat and other
extern int disk_expand_part_tbl(struct gendisk *disk, int target);
extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
-extern int __must_check add_partition(struct gendisk *, int, sector_t, sector_t, int);
+extern struct hd_struct * __must_check add_partition(struct gendisk *disk,
+ int partno, sector_t start,
+ sector_t len, int flags);
extern void delete_partition(struct gendisk *, int);
extern void printk_all_partitions(void);