md-multipath.h (649B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _MULTIPATH_H 3#define _MULTIPATH_H 4 5struct multipath_info { 6 struct md_rdev *rdev; 7}; 8 9struct mpconf { 10 struct mddev *mddev; 11 struct multipath_info *multipaths; 12 int raid_disks; 13 spinlock_t device_lock; 14 struct list_head retry_list; 15 16 mempool_t pool; 17}; 18 19/* 20 * this is our 'private' 'collective' MULTIPATH buffer head. 21 * it contains information about what kind of IO operations were started 22 * for this MULTIPATH operation, and about their status: 23 */ 24 25struct multipath_bh { 26 struct mddev *mddev; 27 struct bio *master_bio; 28 struct bio bio; 29 int path; 30 struct list_head retry_list; 31}; 32#endif