mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 19:53:59 +08:00
bff61975b3
This makes the includes more explicit, and is preparation for moving md_k.h to drivers/md/md.h Remove include/raid/md.h as its only remaining use was to #include other files. Signed-off-by: NeilBrown <neilb@suse.de>
41 lines
884 B
C
41 lines
884 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;
|
|
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 the only point in the RAID code where we violate
|
|
* C type safety. mddev->private is an 'opaque' pointer.
|
|
*/
|
|
#define mddev_to_conf(mddev) ((multipath_conf_t *) mddev->private)
|
|
|
|
/*
|
|
* 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
|