34 lines
670 B
C
34 lines
670 B
C
|
#ifndef _MULTIPATH_H
|
||
|
|
#define _MULTIPATH_H
|
||
|
|
|
||
|
|
struct multipath_info {
|
||
|
|
mdk_rdev_t *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
|