diff options
Diffstat (limited to 'drivers/block/drbd/drbd_worker.c')
-rw-r--r-- | drivers/block/drbd/drbd_worker.c | 56 |
1 files changed, 18 insertions, 38 deletions
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index a6ea737b3b71..dea3e79d044f 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -1030,22 +1030,6 @@ out: return 1; } -/* helper */ -static void move_to_net_ee_or_free(struct drbd_device *device, struct drbd_peer_request *peer_req) -{ - if (drbd_peer_req_has_active_page(peer_req)) { - /* This might happen if sendpage() has not finished */ - int i = PFN_UP(peer_req->i.size); - atomic_add(i, &device->pp_in_use_by_net); - atomic_sub(i, &device->pp_in_use); - spin_lock_irq(&device->resource->req_lock); - list_add_tail(&peer_req->w.list, &device->net_ee); - spin_unlock_irq(&device->resource->req_lock); - wake_up(&drbd_pp_wait); - } else - drbd_free_peer_req(device, peer_req); -} - /** * w_e_end_data_req() - Worker callback, to send a P_DATA_REPLY packet in response to a P_DATA_REQUEST * @w: work object. @@ -1059,9 +1043,8 @@ int w_e_end_data_req(struct drbd_work *w, int cancel) int err; if (unlikely(cancel)) { - drbd_free_peer_req(device, peer_req); - dec_unacked(device); - return 0; + err = 0; + goto out; } if (likely((peer_req->flags & EE_WAS_ERROR) == 0)) { @@ -1074,12 +1057,12 @@ int w_e_end_data_req(struct drbd_work *w, int cancel) err = drbd_send_ack(peer_device, P_NEG_DREPLY, peer_req); } - dec_unacked(device); - - move_to_net_ee_or_free(device, peer_req); - if (unlikely(err)) drbd_err(device, "drbd_send_block() failed\n"); +out: + dec_unacked(device); + drbd_free_peer_req(device, peer_req); + return err; } @@ -1120,9 +1103,8 @@ int w_e_end_rsdata_req(struct drbd_work *w, int cancel) int err; if (unlikely(cancel)) { - drbd_free_peer_req(device, peer_req); - dec_unacked(device); - return 0; + err = 0; + goto out; } if (get_ldev_if_state(device, D_FAILED)) { @@ -1155,13 +1137,12 @@ int w_e_end_rsdata_req(struct drbd_work *w, int cancel) /* update resync data with failure */ drbd_rs_failed_io(peer_device, peer_req->i.sector, peer_req->i.size); } - - dec_unacked(device); - - move_to_net_ee_or_free(device, peer_req); - if (unlikely(err)) drbd_err(device, "drbd_send_block() failed\n"); +out: + dec_unacked(device); + drbd_free_peer_req(device, peer_req); + return err; } @@ -1176,9 +1157,8 @@ int w_e_end_csum_rs_req(struct drbd_work *w, int cancel) int err, eq = 0; if (unlikely(cancel)) { - drbd_free_peer_req(device, peer_req); - dec_unacked(device); - return 0; + err = 0; + goto out; } if (get_ldev(device)) { @@ -1220,12 +1200,12 @@ int w_e_end_csum_rs_req(struct drbd_work *w, int cancel) if (drbd_ratelimit()) drbd_err(device, "Sending NegDReply. I guess it gets messy.\n"); } - - dec_unacked(device); - move_to_net_ee_or_free(device, peer_req); - if (unlikely(err)) drbd_err(device, "drbd_send_block/ack() failed\n"); +out: + dec_unacked(device); + drbd_free_peer_req(device, peer_req); + return err; } |