Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

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

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 47dedaf..2ef845b 100644 (file)
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -78,7 +78,8 @@ struct hd_struct {
        sector_t start_sect;
        sector_t nr_sects;
        struct kobject kobj;
-       unsigned reads, read_sectors, writes, write_sectors;
+       struct kobject *holder_dir;
+       unsigned ios[2], sectors[2];    /* READs and WRITEs */
        int policy, partno;
 };
 
@@ -89,12 +90,12 @@ struct hd_struct {
 #define GENHD_FL_SUPPRESS_PARTITION_INFO       32
 
 struct disk_stats {
-       unsigned read_sectors, write_sectors;
-       unsigned reads, writes;
-       unsigned read_merges, write_merges;
-       unsigned read_ticks, write_ticks;
-       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 {
@@ -104,6 +105,7 @@ 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;
@@ -114,12 +116,14 @@ struct gendisk {
        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;
 
        atomic_t sync_io;               /* RAID */
-       unsigned long stamp, stamp_idle;
+       unsigned long stamp;
        int in_flight;
 #ifdef CONFIG_SMP
        struct disk_stats *dkstats;
@@ -132,6 +136,7 @@ struct gendisk {
 struct disk_attribute {
        struct attribute attr;
        ssize_t (*show)(struct gendisk *, char *);
+       ssize_t (*store)(struct gendisk *, const char *, size_t);
 };
 
 /* 
@@ -148,22 +153,16 @@ 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
@@ -224,7 +223,7 @@ static inline void free_disk_stats(struct gendisk *disk)
 extern void disk_round_stats(struct gendisk *disk);
 
 /* drivers/block/genhd.c */
-extern int get_blkdev_list(char *);
+extern int get_blkdev_list(char *, int);
 extern void add_disk(struct gendisk *disk);
 extern void del_gendisk(struct gendisk *gp);
 extern void unlink_gendisk(struct gendisk *gp);
@@ -403,6 +402,7 @@ extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
 extern void add_partition(struct gendisk *, int, sector_t, sector_t);
 extern void delete_partition(struct gendisk *, int);
 
+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);