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Diffstat (limited to 'include/linux/genhd.h')
-rw-r--r--include/linux/genhd.h35
1 files changed, 6 insertions, 29 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 09a3b18918c..ecd2bf63fc8 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -18,11 +18,13 @@
#define dev_to_disk(device) container_of(device, struct gendisk, dev)
#define dev_to_part(device) container_of(device, struct hd_struct, dev)
-extern struct device_type disk_type;
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. */
@@ -53,24 +55,6 @@ enum {
UNIXWARE_PARTITION = 0x63, /* Same as GNU_HURD and SCO Unix */
};
-#ifndef __KERNEL__
-
-struct partition {
- unsigned char boot_ind; /* 0x80 - active */
- unsigned char head; /* starting head */
- unsigned char sector; /* starting sector */
- unsigned char cyl; /* starting cylinder */
- unsigned char sys_ind; /* What partition type */
- unsigned char end_head; /* end head */
- unsigned char end_sector; /* end sector */
- unsigned char end_cyl; /* end cylinder */
- unsigned int start_sect; /* starting sector counting from 0 */
- unsigned int nr_sects; /* nr of sectors in partition */
-} __attribute__((packed));
-
-#endif
-
-#ifdef __KERNEL__
#include <linux/major.h>
#include <linux/device.h>
#include <linux/smp.h>
@@ -226,7 +210,7 @@ static inline void part_stat_set_all(struct hd_struct *part, int value) {
sizeof(struct disk_stats));
}
-#else
+#else /* !CONFIG_SMP */
#define __disk_stat_add(gendiskp, field, addnd) \
(gendiskp->dkstats.field += addnd)
#define disk_stat_read(gendiskp, field) (gendiskp->dkstats.field)
@@ -254,7 +238,7 @@ static inline void part_stat_set_all(struct hd_struct *part, int value)
memset(&part->dkstats, value, sizeof(struct disk_stats));
}
-#endif
+#endif /* CONFIG_SMP */
#define disk_stat_add(gendiskp, field, addnd) \
do { \
@@ -393,8 +377,6 @@ static inline void set_capacity(struct gendisk *disk, sector_t size)
disk->capacity = size;
}
-#endif /* __KERNEL__ */
-
#ifdef CONFIG_SOLARIS_X86_PARTITION
#define SOLARIS_X86_NUMSLICE 16
@@ -538,8 +520,6 @@ struct unixware_disklabel {
# define MINIX_NR_SUBPARTITIONS 4
#endif /* CONFIG_MINIX_SUBPARTITION */
-#ifdef __KERNEL__
-
#define ADDPART_FLAG_NONE 0
#define ADDPART_FLAG_RAID 1
#define ADDPART_FLAG_WHOLEDISK 2
@@ -556,7 +536,6 @@ extern struct gendisk *alloc_disk_node(int minors, int node_id);
extern struct gendisk *alloc_disk(int minors);
extern struct kobject *get_disk(struct gendisk *disk);
extern void put_disk(struct gendisk *disk);
-extern void genhd_media_change_notify(struct gendisk *disk);
extern void blk_register_region(dev_t devt, unsigned long range,
struct module *module,
struct kobject *(*probe)(dev_t, int *, void *),
@@ -569,8 +548,6 @@ static inline struct block_device *bdget_disk(struct gendisk *disk, int index)
return bdget(MKDEV(disk->major, disk->first_minor) + index);
}
-#endif
-
#else /* CONFIG_BLOCK */
static inline void printk_all_partitions(void) { }
@@ -583,4 +560,4 @@ static inline dev_t blk_lookup_devt(const char *name)
#endif /* CONFIG_BLOCK */
-#endif
+#endif /* _LINUX_GENHD_H */