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#ifndef _MULTIPATH_H
#define _MULTIPATH_H
struct multipath_info {
struct md_rdev *rdev;
};
struct multipath_private_data {
mddev_t *mddev;
struct multipath_info *multipaths;
int raid_disks;
spinlock_t device_lock;
struct list_head retry_list;
mempool_t *pool;
};
typedef struct multipath_private_data multipath_conf_t;
/*
* this is our 'private' 'collective' MULTIPATH buffer head.
* it contains information about what kind of IO operations were started
* for this MULTIPATH operation, and about their status:
*/
struct multipath_bh {
mddev_t *mddev;
struct bio *master_bio;
struct bio bio;
int path;
struct list_head retry_list;
};
#endif
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