Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

[safe/jmp/linux-2.6] / include / linux / genhd.h

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 206cdf9..45fc320 100644 (file)
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -25,9 +25,6 @@ extern struct device_type part_type;
 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. */
@@ -93,6 +90,7 @@ struct disk_stats {
 struct hd_struct {
        sector_t start_sect;
        sector_t nr_sects;
+       sector_t alignment_offset;
        struct device __dev;
        struct kobject *holder_dir;
        int policy, partno;
@@ -116,6 +114,7 @@ struct hd_struct {
 #define GENHD_FL_UP                            16
 #define GENHD_FL_SUPPRESS_PARTITION_INFO       32
 #define GENHD_FL_EXT_DEVT                      64 /* allow extended devt */
+#define GENHD_FL_NATIVE_CAPACITY               128
 
 #define BLK_SCSI_MAX_CMDS      (256)
 #define BLK_SCSI_CMD_PER_LONG  (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8))
@@ -129,6 +128,7 @@ struct blk_scsi_cmd_filter {
 struct disk_part_tbl {
        struct rcu_head rcu_head;
        int len;
+       struct hd_struct *last_lookup;
        struct hd_struct *part[];
 };
 
@@ -142,7 +142,7 @@ struct gendisk {
                                          * disks that can't be partitioned. */
 
        char disk_name[DISK_NAME_LEN];  /* name of major driver */
-
+       char *(*nodename)(struct gendisk *gd);
        /* Array of pointers to partitions indexed by partno.
         * Protected with matching bdev lock but stat and other
         * non-critical accesses use RCU.  Always access through
@@ -216,6 +216,7 @@ static inline void disk_put_part(struct hd_struct *part)
 #define DISK_PITER_REVERSE     (1 << 0) /* iterate in the reverse direction */
 #define DISK_PITER_INCL_EMPTY  (1 << 1) /* include 0-sized parts */
 #define DISK_PITER_INCL_PART0  (1 << 2) /* include partition 0 */
+#define DISK_PITER_INCL_EMPTY_PART0 (1 << 3) /* include empty partition 0 */
 
 struct disk_part_iter {
        struct gendisk          *disk;
@@ -335,11 +336,10 @@ static inline void part_dec_in_flight(struct hd_struct *part)
                part_to_disk(part)->part0.in_flight--;
 }
 
-/* drivers/block/ll_rw_blk.c */
+/* block/blk-core.c */
 extern void part_round_stats(int cpu, struct hd_struct *part);
 
-/* drivers/block/genhd.c */
-extern int get_blkdev_list(char *, int);
+/* block/genhd.c */
 extern void add_disk(struct gendisk *disk);
 extern void del_gendisk(struct gendisk *gp);
 extern void unlink_gendisk(struct gendisk *gp);
@@ -525,7 +525,9 @@ extern char *disk_name (struct gendisk *hd, int partno, char *buf);
 
 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);