X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fgenhd.h;h=0a022b2f63fc0fa95fa35df16784e2fcaef225b3;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=eef5ccdcd7317942755af990969ca3c9c20030d2;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/include/linux/genhd.h b/include/linux/genhd.h index eef5ccdcd..0a022b2f6 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -9,13 +9,9 @@ * */ -#include #include -#include -#include -#include -#include -#include + +#ifdef CONFIG_BLOCK enum { /* These three have identical behaviour; use the second one if DOS FDISK gets @@ -61,6 +57,12 @@ struct partition { #endif #ifdef __KERNEL__ +#include +#include +#include +#include +#include + struct partition { unsigned char boot_ind; /* 0x80 - active */ unsigned char head; /* starting head */ @@ -78,8 +80,12 @@ struct hd_struct { sector_t start_sect; sector_t nr_sects; struct kobject kobj; + struct kobject *holder_dir; unsigned ios[2], sectors[2]; /* READs and WRITEs */ int policy, partno; +#ifdef CONFIG_FAIL_MAKE_REQUEST + int make_it_fail; +#endif }; #define GENHD_FL_REMOVABLE 1 @@ -87,14 +93,15 @@ struct hd_struct { #define GENHD_FL_CD 8 #define GENHD_FL_UP 16 #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 +#define GENHD_FL_FAIL 64 struct disk_stats { - unsigned sectors[2]; /* READs and WRITEs */ - unsigned ios[2]; - unsigned merges[2]; - unsigned ticks[2]; - unsigned io_ticks; - unsigned time_in_queue; + unsigned long sectors[2]; /* READs and WRITEs */ + unsigned long ios[2]; + unsigned long merges[2]; + unsigned long ticks[2]; + unsigned long io_ticks; + unsigned long time_in_queue; }; struct gendisk { @@ -104,16 +111,17 @@ struct gendisk { * disks that can't be partitioned. */ char disk_name[32]; /* name of major driver */ struct hd_struct **part; /* [indexed by minor] */ + int part_uevent_suppress; struct block_device_operations *fops; struct request_queue *queue; void *private_data; sector_t capacity; int flags; - char devfs_name[64]; /* devfs crap */ - int number; /* more of the same */ struct device *driverfs_dev; struct kobject kobj; + struct kobject *holder_dir; + struct kobject *slave_dir; struct timer_rand_state *random; int policy; @@ -149,22 +157,16 @@ struct disk_attribute { ({ \ typeof(gendiskp->dkstats->field) res = 0; \ int i; \ - for (i=0; i < NR_CPUS; i++) { \ - if (!cpu_possible(i)) \ - continue; \ + for_each_possible_cpu(i) \ res += per_cpu_ptr(gendiskp->dkstats, i)->field; \ - } \ res; \ }) static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) { int i; - for (i=0; i < NR_CPUS; i++) { - if (cpu_possible(i)) { - memset(per_cpu_ptr(gendiskp->dkstats, i), value, - sizeof (struct disk_stats)); - } - } + for_each_possible_cpu(i) + memset(per_cpu_ptr(gendiskp->dkstats, i), value, + sizeof (struct disk_stats)); } #else @@ -424,3 +426,5 @@ static inline struct block_device *bdget_disk(struct gendisk *disk, int index) #endif #endif + +#endif