45 		struct md_rdev *rdev = rcu_dereference(conf->multipaths[i].rdev);  in multipath_map()  local
46 		if (rdev && test_bit(In_sync, &rdev->flags)) {  in multipath_map()
47 			atomic_inc(&rdev->nr_pending);  in multipath_map()
89 	struct md_rdev *rdev = conf->multipaths[mp_bh->path].rdev;  in multipath_end_request()  local
98 		md_error (mp_bh->mddev, rdev);  in multipath_end_request()
100 		       bdevname(rdev->bdev,b),  in multipath_end_request()
105 	rdev_dec_pending(rdev, conf->mddev);  in multipath_end_request()
135 	mp_bh->bio.bi_iter.bi_sector += multipath->rdev->data_offset;  in multipath_make_request()
136 	mp_bh->bio.bi_bdev = multipath->rdev->bdev;  in multipath_make_request()
153 			       conf->multipaths[i].rdev &&  in multipath_status()
154 			       test_bit(In_sync, &conf->multipaths[i].rdev->flags) ? "U" : "_");  in multipath_status()
165 		struct md_rdev *rdev = rcu_dereference(conf->multipaths[i].rdev);  in multipath_congested()  local
166 		if (rdev && !test_bit(Faulty, &rdev->flags)) {  in multipath_congested()
167 			struct request_queue *q = bdev_get_queue(rdev->bdev);  in multipath_congested()
183 static void multipath_error (struct mddev *mddev, struct md_rdev *rdev)  in multipath_error()  argument
202 	if (test_and_clear_bit(In_sync, &rdev->flags)) {  in multipath_error()
208 	set_bit(Faulty, &rdev->flags);  in multipath_error()
214 	       bdevname(rdev->bdev, b),  in multipath_error()
234 		if (tmp->rdev)  in print_multipath_conf()
236 				i,!test_bit(Faulty, &tmp->rdev->flags),  in print_multipath_conf()
237 			       bdevname(tmp->rdev->bdev,b));  in print_multipath_conf()
241 static int multipath_add_disk(struct mddev *mddev, struct md_rdev *rdev)  in multipath_add_disk()  argument
251 	if (rdev->raid_disk >= 0)  in multipath_add_disk()
252 		first = last = rdev->raid_disk;  in multipath_add_disk()
257 		if ((p=conf->multipaths+path)->rdev == NULL) {  in multipath_add_disk()
258 			q = rdev->bdev->bd_disk->queue;  in multipath_add_disk()
259 			disk_stack_limits(mddev->gendisk, rdev->bdev,  in multipath_add_disk()
260 					  rdev->data_offset << 9);  in multipath_add_disk()
262 			err = md_integrity_add_rdev(rdev, mddev);  in multipath_add_disk()
267 			rdev->raid_disk = path;  in multipath_add_disk()
268 			set_bit(In_sync, &rdev->flags);  in multipath_add_disk()
270 			rcu_assign_pointer(p->rdev, rdev);  in multipath_add_disk()
280 static int multipath_remove_disk(struct mddev *mddev, struct md_rdev *rdev)  in multipath_remove_disk()  argument
284 	int number = rdev->raid_disk;  in multipath_remove_disk()
289 	if (rdev == p->rdev) {  in multipath_remove_disk()
290 		if (test_bit(In_sync, &rdev->flags) ||  in multipath_remove_disk()
291 		    atomic_read(&rdev->nr_pending)) {  in multipath_remove_disk()
297 		p->rdev = NULL;  in multipath_remove_disk()
299 		if (atomic_read(&rdev->nr_pending)) {  in multipath_remove_disk()
302 			p->rdev = rdev;  in multipath_remove_disk()
356 				conf->multipaths[mp_bh->path].rdev->data_offset;  in multipathd()
357 			bio->bi_bdev = conf->multipaths[mp_bh->path].rdev->bdev;  in multipathd()
380 	struct md_rdev *rdev;  in multipath_run()  local
416 	rdev_for_each(rdev, mddev) {  in multipath_run()
417 		disk_idx = rdev->raid_disk;  in multipath_run()
423 		disk->rdev = rdev;  in multipath_run()
424 		disk_stack_limits(mddev->gendisk, rdev->bdev,  in multipath_run()
425 				  rdev->data_offset << 9);  in multipath_run()
427 		if (!test_bit(Faulty, &rdev->flags))  in multipath_run()