blob: d1c2a8d7839553f28e79b04ec2f585ac8634c815 [file] [log] [blame]
#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;
int working_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;