mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 21:21:47 +00:00
32 lines
611 B
C
32 lines
611 B
C
#ifndef _MULTIPATH_H
|
|
#define _MULTIPATH_H
|
|
|
|
struct multipath_info {
|
|
struct md_rdev *rdev;
|
|
};
|
|
|
|
struct mpconf {
|
|
struct mddev *mddev;
|
|
struct multipath_info *multipaths;
|
|
int raid_disks;
|
|
spinlock_t device_lock;
|
|
struct list_head retry_list;
|
|
|
|
mempool_t *pool;
|
|
};
|
|
|
|
/*
|
|
* 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 {
|
|
struct mddev *mddev;
|
|
struct bio *master_bio;
|
|
struct bio bio;
|
|
int path;
|
|
struct list_head retry_list;
|
|
};
|
|
#endif
|