4 struct multipath_info {
8 struct multipath_private_data {
10 struct multipath_info *multipaths;
13 spinlock_t device_lock;
14 struct list_head retry_list;
19 typedef struct multipath_private_data multipath_conf_t;
22 * this is the only point in the RAID code where we violate
23 * C type safety. mddev->private is an 'opaque' pointer.
25 #define mddev_to_conf(mddev) ((multipath_conf_t *) mddev->private)
28 * this is our 'private' 'collective' MULTIPATH buffer head.
29 * it contains information about what kind of IO operations were started
30 * for this MULTIPATH operation, and about their status:
35 struct bio *master_bio;
38 struct list_head retry_list;