58 static void multipath_reschedule_retry (struct multipath_bh *mp_bh)  in multipath_reschedule_retry()  argument
61 	struct mddev *mddev = mp_bh->mddev;  in multipath_reschedule_retry()
65 	list_add(&mp_bh->retry_list, &conf->retry_list);  in multipath_reschedule_retry()
75 static void multipath_end_bh_io (struct multipath_bh *mp_bh, int err)  in multipath_end_bh_io()  argument
77 	struct bio *bio = mp_bh->master_bio;  in multipath_end_bh_io()
78 	struct mpconf *conf = mp_bh->mddev->private;  in multipath_end_bh_io()
81 	mempool_free(mp_bh, conf->pool);  in multipath_end_bh_io()
87 	struct multipath_bh *mp_bh = bio->bi_private;  in multipath_end_request()  local
88 	struct mpconf *conf = mp_bh->mddev->private;  in multipath_end_request()
89 	struct md_rdev *rdev = conf->multipaths[mp_bh->path].rdev;  in multipath_end_request()
92 		multipath_end_bh_io(mp_bh, 0);  in multipath_end_request()
98 		md_error (mp_bh->mddev, rdev);  in multipath_end_request()
102 		multipath_reschedule_retry(mp_bh);  in multipath_end_request()
104 		multipath_end_bh_io(mp_bh, error);  in multipath_end_request()
111 	struct multipath_bh * mp_bh;  in multipath_make_request()  local
119 	mp_bh = mempool_alloc(conf->pool, GFP_NOIO);  in multipath_make_request()
121 	mp_bh->master_bio = bio;  in multipath_make_request()
122 	mp_bh->mddev = mddev;  in multipath_make_request()
124 	mp_bh->path = multipath_map(conf);  in multipath_make_request()
125 	if (mp_bh->path < 0) {  in multipath_make_request()
127 		mempool_free(mp_bh, conf->pool);  in multipath_make_request()
130 	multipath = conf->multipaths + mp_bh->path;  in multipath_make_request()
132 	bio_init(&mp_bh->bio);  in multipath_make_request()
133 	__bio_clone_fast(&mp_bh->bio, bio);  in multipath_make_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()
137 	mp_bh->bio.bi_rw |= REQ_FAILFAST_TRANSPORT;  in multipath_make_request()
138 	mp_bh->bio.bi_end_io = multipath_end_request;  in multipath_make_request()
139 	mp_bh->bio.bi_private = mp_bh;  in multipath_make_request()
140 	generic_make_request(&mp_bh->bio);  in multipath_make_request()
334 	struct multipath_bh *mp_bh;  in multipathd()  local
346 		mp_bh = list_entry(head->prev, struct multipath_bh, retry_list);  in multipathd()
350 		bio = &mp_bh->bio;  in multipathd()
351 		bio->bi_iter.bi_sector = mp_bh->master_bio->bi_iter.bi_sector;  in multipathd()
353 		if ((mp_bh->path = multipath_map (conf))<0) {  in multipathd()
358 			multipath_end_bh_io(mp_bh, -EIO);  in multipathd()
364 			*bio = *(mp_bh->master_bio);  in multipathd()
366 				conf->multipaths[mp_bh->path].rdev->data_offset;  in multipathd()
367 			bio->bi_bdev = conf->multipaths[mp_bh->path].rdev->bdev;  in multipathd()
370 			bio->bi_private = mp_bh;  in multipathd()