4 #include <linux/raid/md.h>
6 struct multipath_info {
10 struct multipath_private_data {
12 struct multipath_info *multipaths;
15 spinlock_t device_lock;
16 struct list_head retry_list;
21 typedef struct multipath_private_data multipath_conf_t;
24 * this is the only point in the RAID code where we violate
25 * C type safety. mddev->private is an 'opaque' pointer.
27 #define mddev_to_conf(mddev) ((multipath_conf_t *) mddev->private)
30 * this is our 'private' 'collective' MULTIPATH buffer head.
31 * it contains information about what kind of IO operations were started
32 * for this MULTIPATH operation, and about their status:
37 struct bio *master_bio;
40 struct list_head retry_list;