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path: root/drivers/block/drbd/drbd_worker.c
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Diffstat (limited to 'drivers/block/drbd/drbd_worker.c')
-rw-r--r--drivers/block/drbd/drbd_worker.c56
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;
}