X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fgenhd.h;h=ae7aec3cabee67ef4fb9c6440b8ec14dd76c5207;hb=30f2f0eb4bd2c43d10a8b0d872c6e5ad8f31c9a0;hp=32c2ac49a07071c67264c854707aebe8ae03850f;hpb=d7fe321eeba58f0a37cc4324d10e52092be457e0;p=linux-2.6-omap-h63xx.git diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 32c2ac49a07..ae7aec3cabe 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -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 #include #include @@ -196,17 +178,17 @@ static inline struct hd_struct *get_part(struct gendisk *gendiskp, static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) { int i; + for_each_possible_cpu(i) memset(per_cpu_ptr(gendiskp->dkstats, i), value, - sizeof (struct disk_stats)); + sizeof(struct disk_stats)); } #define __part_stat_add(part, field, addnd) \ (per_cpu_ptr(part->dkstats, smp_processor_id())->field += addnd) -#define __all_stat_add(gendiskp, field, addnd, sector) \ +#define __all_stat_add(gendiskp, part, field, addnd, sector) \ ({ \ - struct hd_struct *part = get_part(gendiskp, sector); \ if (part) \ __part_stat_add(part, field, addnd); \ __disk_stat_add(gendiskp, field, addnd); \ @@ -221,14 +203,16 @@ static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) { res; \ }) -static inline void part_stat_set_all(struct hd_struct *part, int value) { +static inline void part_stat_set_all(struct hd_struct *part, int value) +{ int i; + for_each_possible_cpu(i) memset(per_cpu_ptr(part->dkstats, i), value, - sizeof(struct disk_stats)); + 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) @@ -241,9 +225,8 @@ static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) #define __part_stat_add(part, field, addnd) \ (part->dkstats.field += addnd) -#define __all_stat_add(gendiskp, field, addnd, sector) \ +#define __all_stat_add(gendiskp, part, field, addnd, sector) \ ({ \ - struct hd_struct *part = get_part(gendiskp, sector); \ if (part) \ part->dkstats.field += addnd; \ __disk_stat_add(gendiskp, field, addnd); \ @@ -256,7 +239,7 @@ 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 { \ @@ -294,10 +277,10 @@ static inline void part_stat_set_all(struct hd_struct *part, int value) #define part_stat_sub(gendiskp, field, subnd) \ part_stat_add(gendiskp, field, -subnd) -#define all_stat_add(gendiskp, field, addnd, sector) \ +#define all_stat_add(gendiskp, part, field, addnd, sector) \ do { \ preempt_disable(); \ - __all_stat_add(gendiskp, field, addnd, sector); \ + __all_stat_add(gendiskp, part, field, addnd, sector); \ preempt_enable(); \ } while (0) @@ -306,15 +289,15 @@ static inline void part_stat_set_all(struct hd_struct *part, int value) #define all_stat_dec(gendiskp, field, sector) \ all_stat_add(gendiskp, field, -1, sector) -#define __all_stat_inc(gendiskp, field, sector) \ - __all_stat_add(gendiskp, field, 1, sector) -#define all_stat_inc(gendiskp, field, sector) \ - all_stat_add(gendiskp, field, 1, sector) +#define __all_stat_inc(gendiskp, part, field, sector) \ + __all_stat_add(gendiskp, part, field, 1, sector) +#define all_stat_inc(gendiskp, part, field, sector) \ + all_stat_add(gendiskp, part, field, 1, sector) -#define __all_stat_sub(gendiskp, field, subnd, sector) \ - __all_stat_add(gendiskp, field, -subnd, sector) -#define all_stat_sub(gendiskp, field, subnd, sector) \ - all_stat_add(gendiskp, field, -subnd, sector) +#define __all_stat_sub(gendiskp, part, field, subnd, sector) \ + __all_stat_add(gendiskp, part, field, -subnd, sector) +#define all_stat_sub(gendiskp, part, field, subnd, sector) \ + all_stat_add(gendiskp, part, field, -subnd, sector) /* Inlines to alloc and free disk stats in struct gendisk */ #ifdef CONFIG_SMP @@ -395,8 +378,6 @@ 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 @@ -540,13 +521,11 @@ 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 -extern dev_t blk_lookup_devt(const char *name); +extern dev_t blk_lookup_devt(const char *name, int part); extern char *disk_name (struct gendisk *hd, int part, char *buf); extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev); @@ -570,13 +549,11 @@ 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) { } -static inline dev_t blk_lookup_devt(const char *name) +static inline dev_t blk_lookup_devt(const char *name, int part) { dev_t devt = MKDEV(0, 0); return devt; @@ -584,4 +561,4 @@ static inline dev_t blk_lookup_devt(const char *name) #endif /* CONFIG_BLOCK */ -#endif +#endif /* _LINUX_GENHD_H */