fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / linux / genhd.h

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index eef5ccd..0a022b2 100644 (file)
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -9,13 +9,9 @@
  *             <drew@colorado.edu>
  */
 
-#include <linux/config.h>
 #include <linux/types.h>
-#include <linux/major.h>
-#include <linux/device.h>
-#include <linux/smp.h>
-#include <linux/string.h>
-#include <linux/fs.h>
+
+#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 <linux/major.h>
+#include <linux/device.h>
+#include <linux/smp.h>
+#include <linux/string.h>
+#include <linux/fs.h>
+
 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