Lines Matching refs:req
37 static void _drbd_start_io_acct(struct drbd_device *device, struct drbd_request *req) in _drbd_start_io_acct() argument
41 generic_start_io_acct(q, bio_op(req->master_bio), in _drbd_start_io_acct()
42 req->i.size >> 9, &device->vdisk->part0); in _drbd_start_io_acct()
46 static void _drbd_end_io_acct(struct drbd_device *device, struct drbd_request *req) in _drbd_end_io_acct() argument
50 generic_end_io_acct(q, bio_op(req->master_bio), in _drbd_end_io_acct()
51 &device->vdisk->part0, req->start_jif); in _drbd_end_io_acct()
56 struct drbd_request *req; in drbd_req_new() local
58 req = mempool_alloc(&drbd_request_mempool, GFP_NOIO); in drbd_req_new()
59 if (!req) in drbd_req_new()
61 memset(req, 0, sizeof(*req)); in drbd_req_new()
63 drbd_req_make_private_bio(req, bio_src); in drbd_req_new()
64 req->rq_state = (bio_data_dir(bio_src) == WRITE ? RQ_WRITE : 0) in drbd_req_new()
68 req->device = device; in drbd_req_new()
69 req->master_bio = bio_src; in drbd_req_new()
70 req->epoch = 0; in drbd_req_new()
72 drbd_clear_interval(&req->i); in drbd_req_new()
73 req->i.sector = bio_src->bi_iter.bi_sector; in drbd_req_new()
74 req->i.size = bio_src->bi_iter.bi_size; in drbd_req_new()
75 req->i.local = true; in drbd_req_new()
76 req->i.waiting = false; in drbd_req_new()
78 INIT_LIST_HEAD(&req->tl_requests); in drbd_req_new()
79 INIT_LIST_HEAD(&req->w.list); in drbd_req_new()
80 INIT_LIST_HEAD(&req->req_pending_master_completion); in drbd_req_new()
81 INIT_LIST_HEAD(&req->req_pending_local); in drbd_req_new()
84 atomic_set(&req->completion_ref, 1); in drbd_req_new()
86 kref_init(&req->kref); in drbd_req_new()
87 return req; in drbd_req_new()
91 struct drbd_request *req) in drbd_remove_request_interval() argument
93 struct drbd_device *device = req->device; in drbd_remove_request_interval()
94 struct drbd_interval *i = &req->i; in drbd_remove_request_interval()
105 struct drbd_request *req = container_of(kref, struct drbd_request, kref); in drbd_req_destroy() local
106 struct drbd_device *device = req->device; in drbd_req_destroy()
107 const unsigned s = req->rq_state; in drbd_req_destroy()
109 if ((req->master_bio && !(s & RQ_POSTPONED)) || in drbd_req_destroy()
110 atomic_read(&req->completion_ref) || in drbd_req_destroy()
114 s, atomic_read(&req->completion_ref)); in drbd_req_destroy()
126 list_del_init(&req->tl_requests); in drbd_req_destroy()
130 if (!drbd_interval_empty(&req->i)) { in drbd_req_destroy()
137 drbd_remove_request_interval(root, req); in drbd_req_destroy()
138 } else if (s & (RQ_NET_MASK & ~RQ_NET_DONE) && req->i.size != 0) in drbd_req_destroy()
140 s, (unsigned long long)req->i.sector, req->i.size); in drbd_req_destroy()
159 drbd_set_out_of_sync(device, req->i.sector, req->i.size); in drbd_req_destroy()
162 drbd_set_in_sync(device, req->i.sector, req->i.size); in drbd_req_destroy()
177 drbd_al_complete_io(device, &req->i); in drbd_req_destroy()
182 (unsigned long long) req->i.sector, req->i.size); in drbd_req_destroy()
187 mempool_free(req, &drbd_request_mempool); in drbd_req_destroy()
223 void drbd_req_complete(struct drbd_request *req, struct bio_and_error *m) in drbd_req_complete() argument
225 const unsigned s = req->rq_state; in drbd_req_complete()
226 struct drbd_device *device = req->device; in drbd_req_complete()
245 if (!req->master_bio) { in drbd_req_complete()
264 error = PTR_ERR(req->private_bio); in drbd_req_complete()
273 if (op_is_write(bio_op(req->master_bio)) && in drbd_req_complete()
274 req->epoch == atomic_read(&first_peer_device(device)->connection->current_tle_nr)) in drbd_req_complete()
278 _drbd_end_io_acct(device, req); in drbd_req_complete()
295 bio_op(req->master_bio) == REQ_OP_READ && in drbd_req_complete()
296 !(req->master_bio->bi_opf & REQ_RAHEAD) && in drbd_req_complete()
297 !list_empty(&req->tl_requests)) in drbd_req_complete()
298 req->rq_state |= RQ_POSTPONED; in drbd_req_complete()
300 if (!(req->rq_state & RQ_POSTPONED)) { in drbd_req_complete()
302 m->bio = req->master_bio; in drbd_req_complete()
303 req->master_bio = NULL; in drbd_req_complete()
308 req->i.completed = true; in drbd_req_complete()
311 if (req->i.waiting) in drbd_req_complete()
318 list_del_init(&req->req_pending_master_completion); in drbd_req_complete()
322 static void drbd_req_put_completion_ref(struct drbd_request *req, struct bio_and_error *m, int put) in drbd_req_put_completion_ref() argument
324 struct drbd_device *device = req->device; in drbd_req_put_completion_ref()
325 D_ASSERT(device, m || (req->rq_state & RQ_POSTPONED)); in drbd_req_put_completion_ref()
330 if (!atomic_sub_and_test(put, &req->completion_ref)) in drbd_req_put_completion_ref()
333 drbd_req_complete(req, m); in drbd_req_put_completion_ref()
337 if (req->rq_state & RQ_LOCAL_ABORTED) in drbd_req_put_completion_ref()
340 if (req->rq_state & RQ_POSTPONED) { in drbd_req_put_completion_ref()
343 drbd_restart_request(req); in drbd_req_put_completion_ref()
347 kref_put(&req->kref, drbd_req_destroy); in drbd_req_put_completion_ref()
350 static void set_if_null_req_next(struct drbd_peer_device *peer_device, struct drbd_request *req) in set_if_null_req_next() argument
356 connection->req_next = req; in set_if_null_req_next()
359 static void advance_conn_req_next(struct drbd_peer_device *peer_device, struct drbd_request *req) in advance_conn_req_next() argument
364 if (connection->req_next != req) in advance_conn_req_next()
366 list_for_each_entry_continue(req, &connection->transfer_log, tl_requests) { in advance_conn_req_next()
367 const unsigned s = req->rq_state; in advance_conn_req_next()
371 if (&req->tl_requests == &connection->transfer_log) in advance_conn_req_next()
372 req = NULL; in advance_conn_req_next()
373 connection->req_next = req; in advance_conn_req_next()
376 …ic void set_if_null_req_ack_pending(struct drbd_peer_device *peer_device, struct drbd_request *req) in set_if_null_req_ack_pending() argument
382 connection->req_ack_pending = req; in set_if_null_req_ack_pending()
385 …c void advance_conn_req_ack_pending(struct drbd_peer_device *peer_device, struct drbd_request *req) in advance_conn_req_ack_pending() argument
390 if (connection->req_ack_pending != req) in advance_conn_req_ack_pending()
392 list_for_each_entry_continue(req, &connection->transfer_log, tl_requests) { in advance_conn_req_ack_pending()
393 const unsigned s = req->rq_state; in advance_conn_req_ack_pending()
397 if (&req->tl_requests == &connection->transfer_log) in advance_conn_req_ack_pending()
398 req = NULL; in advance_conn_req_ack_pending()
399 connection->req_ack_pending = req; in advance_conn_req_ack_pending()
402 …c void set_if_null_req_not_net_done(struct drbd_peer_device *peer_device, struct drbd_request *req) in set_if_null_req_not_net_done() argument
408 connection->req_not_net_done = req; in set_if_null_req_not_net_done()
411 … void advance_conn_req_not_net_done(struct drbd_peer_device *peer_device, struct drbd_request *req) in advance_conn_req_not_net_done() argument
416 if (connection->req_not_net_done != req) in advance_conn_req_not_net_done()
418 list_for_each_entry_continue(req, &connection->transfer_log, tl_requests) { in advance_conn_req_not_net_done()
419 const unsigned s = req->rq_state; in advance_conn_req_not_net_done()
423 if (&req->tl_requests == &connection->transfer_log) in advance_conn_req_not_net_done()
424 req = NULL; in advance_conn_req_not_net_done()
425 connection->req_not_net_done = req; in advance_conn_req_not_net_done()
430 static void mod_rq_state(struct drbd_request *req, struct bio_and_error *m, in mod_rq_state() argument
433 struct drbd_device *device = req->device; in mod_rq_state()
435 unsigned s = req->rq_state; in mod_rq_state()
443 req->rq_state &= ~clear; in mod_rq_state()
444 req->rq_state |= set; in mod_rq_state()
447 if (req->rq_state == s) in mod_rq_state()
452 kref_get(&req->kref); in mod_rq_state()
455 atomic_inc(&req->completion_ref); in mod_rq_state()
459 atomic_inc(&req->completion_ref); in mod_rq_state()
463 atomic_inc(&req->completion_ref); in mod_rq_state()
464 set_if_null_req_next(peer_device, req); in mod_rq_state()
468 kref_get(&req->kref); /* wait for the DONE */ in mod_rq_state()
473 atomic_add(req->i.size >> 9, &device->ap_in_flight); in mod_rq_state()
474 set_if_null_req_not_net_done(peer_device, req); in mod_rq_state()
476 if (req->rq_state & RQ_NET_PENDING) in mod_rq_state()
477 set_if_null_req_ack_pending(peer_device, req); in mod_rq_state()
481 atomic_inc(&req->completion_ref); in mod_rq_state()
489 D_ASSERT(device, req->rq_state & RQ_LOCAL_PENDING); in mod_rq_state()
494 if (req->rq_state & RQ_LOCAL_ABORTED) in mod_rq_state()
495 kref_put(&req->kref, drbd_req_destroy); in mod_rq_state()
498 list_del_init(&req->req_pending_local); in mod_rq_state()
504 req->acked_jif = jiffies; in mod_rq_state()
505 advance_conn_req_ack_pending(peer_device, req); in mod_rq_state()
510 advance_conn_req_next(peer_device, req); in mod_rq_state()
515 atomic_sub(req->i.size >> 9, &device->ap_in_flight); in mod_rq_state()
517 kref_put(&req->kref, drbd_req_destroy); in mod_rq_state()
518 req->net_done_jif = jiffies; in mod_rq_state()
523 advance_conn_req_next(peer_device, req); in mod_rq_state()
524 advance_conn_req_ack_pending(peer_device, req); in mod_rq_state()
525 advance_conn_req_not_net_done(peer_device, req); in mod_rq_state()
531 if (req->i.waiting) in mod_rq_state()
534 drbd_req_put_completion_ref(req, m, c_put); in mod_rq_state()
535 kref_put(&req->kref, drbd_req_destroy); in mod_rq_state()
538 static void drbd_report_io_error(struct drbd_device *device, struct drbd_request *req) in drbd_report_io_error() argument
546 (req->rq_state & RQ_WRITE) ? "WRITE" : "READ", in drbd_report_io_error()
547 (unsigned long long)req->i.sector, in drbd_report_io_error()
548 req->i.size >> 9, in drbd_report_io_error()
558 static inline bool is_pending_write_protocol_A(struct drbd_request *req) in is_pending_write_protocol_A() argument
560 return (req->rq_state & in is_pending_write_protocol_A()
577 int __req_mod(struct drbd_request *req, enum drbd_req_event what, in __req_mod() argument
580 struct drbd_device *const device = req->device; in __req_mod()
603 D_ASSERT(device, !(req->rq_state & RQ_NET_MASK)); in __req_mod()
608 req->rq_state |= in __req_mod()
611 mod_rq_state(req, m, 0, RQ_NET_PENDING); in __req_mod()
616 D_ASSERT(device, !(req->rq_state & RQ_LOCAL_MASK)); in __req_mod()
617 mod_rq_state(req, m, 0, RQ_LOCAL_PENDING); in __req_mod()
621 if (req->rq_state & RQ_WRITE) in __req_mod()
622 device->writ_cnt += req->i.size >> 9; in __req_mod()
624 device->read_cnt += req->i.size >> 9; in __req_mod()
626 mod_rq_state(req, m, RQ_LOCAL_PENDING, in __req_mod()
631 mod_rq_state(req, m, 0, RQ_LOCAL_ABORTED); in __req_mod()
635 drbd_report_io_error(device, req); in __req_mod()
637 mod_rq_state(req, m, RQ_LOCAL_PENDING, RQ_LOCAL_COMPLETED); in __req_mod()
641 drbd_set_out_of_sync(device, req->i.sector, req->i.size); in __req_mod()
642 drbd_report_io_error(device, req); in __req_mod()
647 mod_rq_state(req, m, RQ_LOCAL_PENDING, RQ_LOCAL_COMPLETED); in __req_mod()
654 mod_rq_state(req, m, RQ_LOCAL_PENDING, RQ_LOCAL_COMPLETED); in __req_mod()
668 D_ASSERT(device, drbd_interval_empty(&req->i)); in __req_mod()
669 drbd_insert_interval(&device->read_requests, &req->i); in __req_mod()
673 D_ASSERT(device, req->rq_state & RQ_NET_PENDING); in __req_mod()
674 D_ASSERT(device, (req->rq_state & RQ_LOCAL_MASK) == 0); in __req_mod()
675 mod_rq_state(req, m, 0, RQ_NET_QUEUED); in __req_mod()
676 req->w.cb = w_send_read_req; in __req_mod()
678 &req->w); in __req_mod()
687 D_ASSERT(device, drbd_interval_empty(&req->i)); in __req_mod()
688 drbd_insert_interval(&device->write_requests, &req->i); in __req_mod()
710 D_ASSERT(device, req->rq_state & RQ_NET_PENDING); in __req_mod()
711 mod_rq_state(req, m, 0, RQ_NET_QUEUED|RQ_EXP_BARR_ACK); in __req_mod()
712 req->w.cb = w_send_dblock; in __req_mod()
714 &req->w); in __req_mod()
727 mod_rq_state(req, m, 0, RQ_NET_QUEUED); in __req_mod()
728 req->w.cb = w_send_out_of_sync; in __req_mod()
730 &req->w); in __req_mod()
738 mod_rq_state(req, m, RQ_NET_QUEUED, 0); in __req_mod()
743 if (is_pending_write_protocol_A(req)) in __req_mod()
746 mod_rq_state(req, m, RQ_NET_QUEUED|RQ_NET_PENDING, in __req_mod()
749 mod_rq_state(req, m, RQ_NET_QUEUED, RQ_NET_SENT); in __req_mod()
758 mod_rq_state(req, m, RQ_NET_QUEUED, RQ_NET_DONE); in __req_mod()
763 mod_rq_state(req, m, in __req_mod()
776 D_ASSERT(device, req->rq_state & RQ_NET_PENDING); in __req_mod()
777 D_ASSERT(device, req->rq_state & RQ_EXP_WRITE_ACK); in __req_mod()
778 mod_rq_state(req, m, RQ_NET_PENDING, RQ_NET_DONE|RQ_NET_OK); in __req_mod()
782 req->rq_state |= RQ_NET_SIS; in __req_mod()
793 D_ASSERT(device, req->rq_state & RQ_EXP_RECEIVE_ACK); in __req_mod()
798 mod_rq_state(req, m, RQ_NET_PENDING, RQ_NET_OK); in __req_mod()
802 D_ASSERT(device, req->rq_state & RQ_EXP_WRITE_ACK); in __req_mod()
807 D_ASSERT(device, req->rq_state & RQ_NET_PENDING); in __req_mod()
808 req->rq_state |= RQ_POSTPONED; in __req_mod()
809 if (req->i.waiting) in __req_mod()
817 mod_rq_state(req, m, RQ_NET_OK|RQ_NET_PENDING, 0); in __req_mod()
821 if (!(req->rq_state & RQ_LOCAL_COMPLETED)) in __req_mod()
823 mod_rq_state(req, m, RQ_COMPLETION_SUSP, 0); in __req_mod()
827 if (!(req->rq_state & RQ_LOCAL_COMPLETED)) in __req_mod()
830 mod_rq_state(req, m, in __req_mod()
835 if (bio_data_dir(req->master_bio) == WRITE) in __req_mod()
839 req->w.cb = w_restart_disk_io; in __req_mod()
841 &req->w); in __req_mod()
846 if (!(req->rq_state & RQ_WRITE) && !req->w.cb) { in __req_mod()
847 mod_rq_state(req, m, RQ_COMPLETION_SUSP, 0); in __req_mod()
856 if (!(req->rq_state & RQ_NET_OK)) { in __req_mod()
860 mod_rq_state(req, m, RQ_COMPLETION_SUSP, RQ_NET_QUEUED|RQ_NET_PENDING); in __req_mod()
861 if (req->w.cb) { in __req_mod()
864 &req->w); in __req_mod()
865 rv = req->rq_state & RQ_WRITE ? MR_WRITE : MR_READ; in __req_mod()
873 if (!(req->rq_state & RQ_WRITE)) in __req_mod()
876 if (req->rq_state & RQ_NET_PENDING) { in __req_mod()
886 mod_rq_state(req, m, RQ_COMPLETION_SUSP, in __req_mod()
887 (req->rq_state & RQ_NET_MASK) ? RQ_NET_DONE : 0); in __req_mod()
891 D_ASSERT(device, req->rq_state & RQ_NET_PENDING); in __req_mod()
892 mod_rq_state(req, m, RQ_NET_PENDING, RQ_NET_OK|RQ_NET_DONE); in __req_mod()
897 mod_rq_state(req, m, 0, RQ_NET_OK|RQ_NET_DONE); in __req_mod()
971 static void complete_conflicting_writes(struct drbd_request *req) in complete_conflicting_writes() argument
974 struct drbd_device *device = req->device; in complete_conflicting_writes()
976 sector_t sector = req->i.sector; in complete_conflicting_writes()
977 int size = req->i.size; in complete_conflicting_writes()
1059 static bool do_remote_read(struct drbd_request *req) in do_remote_read() argument
1061 struct drbd_device *device = req->device; in do_remote_read()
1064 if (req->private_bio) { in do_remote_read()
1066 req->i.sector, req->i.size)) { in do_remote_read()
1067 bio_put(req->private_bio); in do_remote_read()
1068 req->private_bio = NULL; in do_remote_read()
1076 if (req->private_bio == NULL) in do_remote_read()
1086 if (rbm == RB_PREFER_LOCAL && req->private_bio) in do_remote_read()
1089 if (remote_due_to_read_balancing(device, req->i.sector, rbm)) { in do_remote_read()
1090 if (req->private_bio) { in do_remote_read()
1091 bio_put(req->private_bio); in do_remote_read()
1092 req->private_bio = NULL; in do_remote_read()
1122 static int drbd_process_write_request(struct drbd_request *req) in drbd_process_write_request() argument
1124 struct drbd_device *device = req->device; in drbd_process_write_request()
1136 if (unlikely(req->i.size == 0)) { in drbd_process_write_request()
1138 D_ASSERT(device, req->master_bio->bi_opf & REQ_PREFLUSH); in drbd_process_write_request()
1140 _req_mod(req, QUEUE_AS_DRBD_BARRIER); in drbd_process_write_request()
1150 _req_mod(req, TO_BE_SENT); in drbd_process_write_request()
1151 _req_mod(req, QUEUE_FOR_NET_WRITE); in drbd_process_write_request()
1152 } else if (drbd_set_out_of_sync(device, req->i.sector, req->i.size)) in drbd_process_write_request()
1153 _req_mod(req, QUEUE_FOR_SEND_OOS); in drbd_process_write_request()
1158 static void drbd_process_discard_req(struct drbd_request *req) in drbd_process_discard_req() argument
1160 struct block_device *bdev = req->device->ldev->backing_bdev; in drbd_process_discard_req()
1162 if (blkdev_issue_zeroout(bdev, req->i.sector, req->i.size >> 9, in drbd_process_discard_req()
1164 req->private_bio->bi_status = BLK_STS_IOERR; in drbd_process_discard_req()
1165 bio_endio(req->private_bio); in drbd_process_discard_req()
1169 drbd_submit_req_private_bio(struct drbd_request *req) in drbd_submit_req_private_bio() argument
1171 struct drbd_device *device = req->device; in drbd_submit_req_private_bio()
1172 struct bio *bio = req->private_bio; in drbd_submit_req_private_bio()
1194 drbd_process_discard_req(req); in drbd_submit_req_private_bio()
1202 static void drbd_queue_write(struct drbd_device *device, struct drbd_request *req) in drbd_queue_write() argument
1205 list_add_tail(&req->tl_requests, &device->submit.writes); in drbd_queue_write()
1206 list_add_tail(&req->req_pending_master_completion, in drbd_queue_write()
1223 struct drbd_request *req; in drbd_request_prepare() local
1226 req = drbd_req_new(device, bio); in drbd_request_prepare()
1227 if (!req) { in drbd_request_prepare()
1236 req->start_jif = start_jif; in drbd_request_prepare()
1239 bio_put(req->private_bio); in drbd_request_prepare()
1240 req->private_bio = NULL; in drbd_request_prepare()
1244 _drbd_start_io_acct(device, req); in drbd_request_prepare()
1251 if (rw == WRITE && req->private_bio && req->i.size in drbd_request_prepare()
1253 if (!drbd_al_begin_io_fastpath(device, &req->i)) in drbd_request_prepare()
1255 req->rq_state |= RQ_IN_ACT_LOG; in drbd_request_prepare()
1256 req->in_actlog_jif = jiffies; in drbd_request_prepare()
1258 return req; in drbd_request_prepare()
1262 drbd_queue_write(device, req); in drbd_request_prepare()
1292 struct drbd_request *req = plug->most_recent_req; in drbd_unplug() local
1295 if (!req) in drbd_unplug()
1301 req->rq_state |= RQ_UNPLUG; in drbd_unplug()
1303 drbd_queue_unplug(req->device); in drbd_unplug()
1304 kref_put(&req->kref, drbd_req_destroy); in drbd_unplug()
1322 static void drbd_update_plug(struct drbd_plug_cb *plug, struct drbd_request *req) in drbd_update_plug() argument
1327 kref_get(&req->kref); in drbd_update_plug()
1328 plug->most_recent_req = req; in drbd_update_plug()
1333 static void drbd_send_and_submit(struct drbd_device *device, struct drbd_request *req) in drbd_send_and_submit() argument
1336 const int rw = bio_data_dir(req->master_bio); in drbd_send_and_submit()
1346 complete_conflicting_writes(req); in drbd_send_and_submit()
1357 req->rq_state |= RQ_POSTPONED; in drbd_send_and_submit()
1358 if (req->private_bio) { in drbd_send_and_submit()
1359 bio_put(req->private_bio); in drbd_send_and_submit()
1360 req->private_bio = NULL; in drbd_send_and_submit()
1370 if (!do_remote_read(req) && !req->private_bio) in drbd_send_and_submit()
1375 req->epoch = atomic_read(&first_peer_device(device)->connection->current_tle_nr); in drbd_send_and_submit()
1379 if (likely(req->i.size!=0)) { in drbd_send_and_submit()
1383 list_add_tail(&req->tl_requests, &first_peer_device(device)->connection->transfer_log); in drbd_send_and_submit()
1387 if (req->private_bio && !may_do_writes(device)) { in drbd_send_and_submit()
1388 bio_put(req->private_bio); in drbd_send_and_submit()
1389 req->private_bio = NULL; in drbd_send_and_submit()
1393 if (!drbd_process_write_request(req)) in drbd_send_and_submit()
1398 if (req->private_bio == NULL) { in drbd_send_and_submit()
1399 _req_mod(req, TO_BE_SENT); in drbd_send_and_submit()
1400 _req_mod(req, QUEUE_FOR_NET_READ); in drbd_send_and_submit()
1408 drbd_update_plug(plug, req); in drbd_send_and_submit()
1413 if (list_empty(&req->req_pending_master_completion)) in drbd_send_and_submit()
1414 list_add_tail(&req->req_pending_master_completion, in drbd_send_and_submit()
1416 if (req->private_bio) { in drbd_send_and_submit()
1418 req->pre_submit_jif = jiffies; in drbd_send_and_submit()
1419 list_add_tail(&req->req_pending_local, in drbd_send_and_submit()
1421 _req_mod(req, TO_BE_SUBMITTED); in drbd_send_and_submit()
1428 (unsigned long long)req->i.sector, req->i.size >> 9); in drbd_send_and_submit()
1434 drbd_req_put_completion_ref(req, &m, 1); in drbd_send_and_submit()
1444 drbd_submit_req_private_bio(req); in drbd_send_and_submit()
1451 struct drbd_request *req = drbd_request_prepare(device, bio, start_jif); in __drbd_make_request() local
1452 if (IS_ERR_OR_NULL(req)) in __drbd_make_request()
1454 drbd_send_and_submit(device, req); in __drbd_make_request()
1460 struct drbd_request *req, *tmp; in submit_fast_path() local
1463 list_for_each_entry_safe(req, tmp, incoming, tl_requests) { in submit_fast_path()
1464 const int rw = bio_data_dir(req->master_bio); in submit_fast_path()
1467 && req->private_bio && req->i.size in submit_fast_path()
1469 if (!drbd_al_begin_io_fastpath(device, &req->i)) in submit_fast_path()
1472 req->rq_state |= RQ_IN_ACT_LOG; in submit_fast_path()
1473 req->in_actlog_jif = jiffies; in submit_fast_path()
1477 list_del_init(&req->tl_requests); in submit_fast_path()
1478 drbd_send_and_submit(device, req); in submit_fast_path()
1488 struct drbd_request *req; in prepare_al_transaction_nonblock() local
1493 while ((req = list_first_entry_or_null(incoming, struct drbd_request, tl_requests))) { in prepare_al_transaction_nonblock()
1494 err = drbd_al_begin_io_nonblock(device, &req->i); in prepare_al_transaction_nonblock()
1500 list_move_tail(&req->tl_requests, later); in prepare_al_transaction_nonblock()
1502 list_move_tail(&req->tl_requests, pending); in prepare_al_transaction_nonblock()
1513 struct drbd_request *req; in send_and_submit_pending() local
1516 while ((req = list_first_entry_or_null(pending, struct drbd_request, tl_requests))) { in send_and_submit_pending()
1517 req->rq_state |= RQ_IN_ACT_LOG; in send_and_submit_pending()
1518 req->in_actlog_jif = jiffies; in send_and_submit_pending()
1520 list_del_init(&req->tl_requests); in send_and_submit_pending()
1521 drbd_send_and_submit(device, req); in send_and_submit_pending()