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linux-sg2042
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Remove <linux/genhd.h> from user-visible headers. 

It was all wrapped in '#ifdef CONFIG_BLOCK' anyway, so userspace was
getting nothing useful out of it. And the special #ifndef __KERNEL__
version of 'struct partition' makes me inclined to promote an attitude
of violence...

Stick some comments on some of the #endifs too, while we're at it.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Woodhouse 2008-03-12 17:52:56 +01:00 committed by Linus Torvalds
parent 0738c4bb8f
commit a8ae50ba93
2 changed files with 3 additions and 28 deletions
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1
include/linux/Kbuild
View File

@ -205,7 +205,6 @@ unifdef-y += futex.h
unifdef-y += fs.h
unifdef-y += gameport.h
unifdef-y += generic_serial.h
unifdef-y += genhd.h
unifdef-y += gfs2_ondisk.h
unifdef-y += hayesesp.h
unifdef-y += hdlcdrv.h

30
include/linux/genhd.h
View File

@ -55,24 +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>
@ -228,7 +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)
@ -256,7 +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 { \
@ -395,8 +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
@ -540,8 +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
@ -570,8 +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) { }
@ -584,4 +560,4 @@ static inline dev_t blk_lookup_devt(const char *name)
#endif /* CONFIG_BLOCK */
#endif
#endif /* _LINUX_GENHD_H */