aboutsummaryrefslogtreecommitdiff
path: root/include/linux/genhd.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/genhd.h')
-rw-r--r--include/linux/genhd.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 16948eaecae..45fc320a53c 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -90,6 +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;
@@ -113,6 +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))
@@ -140,7 +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
@@ -214,6 +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;
@@ -333,11 +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);