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   1 #ifndef _LINEAR_H
   2 #define _LINEAR_H
   3
   4 struct dev_info {
   5         mdk_rdev_t      *rdev;
   6         sector_t        num_sectors;
   7         sector_t        start_sector;
   8 };
   9
  10 typedef struct dev_info dev_info_t;
  11
  12 struct linear_private_data
  13 {
  14         struct linear_private_data *prev;       /* earlier version */
  15         dev_info_t              **hash_table;
  16         sector_t                spacing;
  17         sector_t                array_sectors;
  18         int                     sector_shift;   /* shift before dividing
  19                                                  * by spacing
  20                                                  */
  21         dev_info_t              disks[0];
  22 };
  23
  24
  25 typedef struct linear_private_data linear_conf_t;
  26
  27 #define mddev_to_conf(mddev) ((linear_conf_t *) mddev->private)
  28
  29 #endif