From: K. Y. Srinivasan Date: Tue, 10 May 2011 14:54:17 +0000 (-0700) Subject: Staging: hv: storvsc: Get rid of some unnecessary DPRINTS X-Git-Tag: v3.0-rc1~336^2~403 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5f61ec34d2c1b9a4802feccef4d30938d6f01090;p=karo-tx-linux.git Staging: hv: storvsc: Get rid of some unnecessary DPRINTS Signed-off-by: K. Y. Srinivasan Signed-off-by: Haiyang Zhang Signed-off-by: Abhishek Kane Signed-off-by: Hank Janssen Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c index 5d5aec3f6b4c..41361f516772 100644 --- a/drivers/staging/hv/storvsc.c +++ b/drivers/staging/hv/storvsc.c @@ -113,11 +113,8 @@ static int storvsc_channel_init(struct hv_device *device) int ret, t; stor_device = get_stor_device(device); - if (!stor_device) { - DPRINT_ERR(STORVSC, "unable to get stor device..." - "device being destroyed?"); + if (!stor_device) return -1; - } request = &stor_device->init_request; vstor_packet = &request->vstor_packet; @@ -138,11 +135,8 @@ static int storvsc_channel_init(struct hv_device *device) (unsigned long)request, VM_PKT_DATA_INBAND, VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); - if (ret != 0) { - DPRINT_ERR(STORVSC, - "unable to send BEGIN_INITIALIZATION_OPERATION"); + if (ret != 0) goto cleanup; - } t = wait_for_completion_timeout(&request->wait_event, HZ); if (t == 0) { @@ -151,12 +145,8 @@ static int storvsc_channel_init(struct hv_device *device) } if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO || - vstor_packet->status != 0) { - DPRINT_ERR(STORVSC, "BEGIN_INITIALIZATION_OPERATION failed " - "(op %d status 0x%x)", - vstor_packet->operation, vstor_packet->status); + vstor_packet->status != 0) goto cleanup; - } DPRINT_INFO(STORVSC, "QUERY_PROTOCOL_VERSION_OPERATION..."); @@ -173,11 +163,8 @@ static int storvsc_channel_init(struct hv_device *device) (unsigned long)request, VM_PKT_DATA_INBAND, VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); - if (ret != 0) { - DPRINT_ERR(STORVSC, - "unable to send BEGIN_INITIALIZATION_OPERATION"); + if (ret != 0) goto cleanup; - } t = wait_for_completion_timeout(&request->wait_event, HZ); if (t == 0) { @@ -187,12 +174,8 @@ static int storvsc_channel_init(struct hv_device *device) /* TODO: Check returned version */ if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO || - vstor_packet->status != 0) { - DPRINT_ERR(STORVSC, "QUERY_PROTOCOL_VERSION_OPERATION failed " - "(op %d status 0x%x)", - vstor_packet->operation, vstor_packet->status); + vstor_packet->status != 0) goto cleanup; - } /* Query channel properties */ DPRINT_INFO(STORVSC, "QUERY_PROPERTIES_OPERATION..."); @@ -209,11 +192,8 @@ static int storvsc_channel_init(struct hv_device *device) VM_PKT_DATA_INBAND, VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); - if (ret != 0) { - DPRINT_ERR(STORVSC, - "unable to send QUERY_PROPERTIES_OPERATION"); + if (ret != 0) goto cleanup; - } t = wait_for_completion_timeout(&request->wait_event, HZ); if (t == 0) { @@ -223,21 +203,13 @@ static int storvsc_channel_init(struct hv_device *device) /* TODO: Check returned version */ if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO || - vstor_packet->status != 0) { - DPRINT_ERR(STORVSC, "QUERY_PROPERTIES_OPERATION failed " - "(op %d status 0x%x)", - vstor_packet->operation, vstor_packet->status); + vstor_packet->status != 0) goto cleanup; - } stor_device->path_id = vstor_packet->storage_channel_properties.path_id; stor_device->target_id = vstor_packet->storage_channel_properties.target_id; - DPRINT_DBG(STORVSC, "channel flag 0x%x, max xfer len 0x%x", - vstor_packet->storage_channel_properties.flags, - vstor_packet->storage_channel_properties.max_transfer_bytes); - DPRINT_INFO(STORVSC, "END_INITIALIZATION_OPERATION..."); memset(vstor_packet, 0, sizeof(struct vstor_packet)); @@ -250,11 +222,8 @@ static int storvsc_channel_init(struct hv_device *device) VM_PKT_DATA_INBAND, VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); - if (ret != 0) { - DPRINT_ERR(STORVSC, - "unable to send END_INITIALIZATION_OPERATION"); + if (ret != 0) goto cleanup; - } t = wait_for_completion_timeout(&request->wait_event, HZ); if (t == 0) { @@ -263,12 +232,8 @@ static int storvsc_channel_init(struct hv_device *device) } if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO || - vstor_packet->status != 0) { - DPRINT_ERR(STORVSC, "END_INITIALIZATION_OPERATION failed " - "(op %d status 0x%x)", - vstor_packet->operation, vstor_packet->status); + vstor_packet->status != 0) goto cleanup; - } DPRINT_INFO(STORVSC, "**** storage channel up and running!! ****"); @@ -285,15 +250,8 @@ static void storvsc_on_io_completion(struct hv_device *device, struct vstor_packet *stor_pkt; stor_device = must_get_stor_device(device); - if (!stor_device) { - DPRINT_ERR(STORVSC, "unable to get stor device..." - "device being destroyed?"); + if (!stor_device) return; - } - - DPRINT_DBG(STORVSC, "IO_COMPLETE_OPERATION - request %p " - "completed bytes xfer %u", request, - vstor_packet->vm_srb.data_transfer_length); stor_pkt = &request->vstor_packet; @@ -305,7 +263,7 @@ static void storvsc_on_io_completion(struct hv_device *device, vstor_packet->vm_srb.sense_info_length; if (vstor_packet->vm_srb.scsi_status != 0 || - vstor_packet->vm_srb.srb_status != 1) { + vstor_packet->vm_srb.srb_status != 1){ DPRINT_WARN(STORVSC, "cmd 0x%x scsi status 0x%x srb status 0x%x\n", stor_pkt->vm_srb.cdb[0], @@ -347,7 +305,6 @@ static void storvsc_on_receive(struct hv_device *device, { switch (vstor_packet->operation) { case VSTOR_OPERATION_COMPLETE_IO: - DPRINT_DBG(STORVSC, "IO_COMPLETE_OPERATION"); storvsc_on_io_completion(device, vstor_packet, request); break; case VSTOR_OPERATION_REMOVE_DEVICE: @@ -374,20 +331,14 @@ static void storvsc_on_channel_callback(void *context) stor_device = must_get_stor_device(device); - if (!stor_device) { - DPRINT_ERR(STORVSC, "unable to get stor device..." - "device being destroyed?"); + if (!stor_device) return; - } do { ret = vmbus_recvpacket(device->channel, packet, ALIGN(sizeof(struct vstor_packet), 8), &bytes_recvd, &request_id); if (ret == 0 && bytes_recvd > 0) { - DPRINT_DBG(STORVSC, "receive %d bytes - tid %llx", - bytes_recvd, request_id); - request = (struct hv_storvsc_request *) (unsigned long)request_id; @@ -429,13 +380,8 @@ static int storvsc_connect_to_vsp(struct hv_device *device) sizeof(struct vmstorage_channel_properties), storvsc_on_channel_callback, device); - DPRINT_DBG(STORVSC, "storage props: path id %d, tgt id %d, max xfer %d", - props.path_id, props.target_id, props.max_transfer_bytes); - - if (ret != 0) { - DPRINT_ERR(STORVSC, "unable to open channel: %d", ret); + if (ret != 0) return -1; - } ret = storvsc_channel_init(device); @@ -472,10 +418,6 @@ int storvsc_dev_add(struct hv_device *device, device_info->path_id = stor_device->path_id; device_info->target_id = stor_device->target_id; - DPRINT_DBG(STORVSC, "assigned port %u, path %u target %u\n", - stor_device->port_number, stor_device->path_id, - stor_device->target_id); - cleanup: return ret; } @@ -497,13 +439,8 @@ int storvsc_dev_remove(struct hv_device *device) storvsc_wait_to_drain(stor_device); - DPRINT_INFO(STORVSC, "removing storage device (%p)...", - device->ext); - stor_device = final_release_stor_device(device); - DPRINT_INFO(STORVSC, "storage device (%p) safe to remove", stor_device); - /* Close the channel */ vmbus_close(device->channel); @@ -521,17 +458,8 @@ int storvsc_do_io(struct hv_device *device, vstor_packet = &request->vstor_packet; stor_device = get_stor_device(device); - DPRINT_DBG(STORVSC, "enter - Device %p, DeviceExt %p, Request %p, " - , device, stor_device, request); - - DPRINT_DBG(STORVSC, "req %p len %d", - request, request->data_buffer.len); - - if (!stor_device) { - DPRINT_ERR(STORVSC, "unable to get stor device..." - "device being destroyed?"); + if (!stor_device) return -2; - } request->device = device; @@ -550,16 +478,6 @@ int storvsc_do_io(struct hv_device *device, vstor_packet->operation = VSTOR_OPERATION_EXECUTE_SRB; - DPRINT_DBG(STORVSC, "srb - len %d port %d, path %d, target %d, " - "lun %d senselen %d cdblen %d", - vstor_packet->vm_srb.length, - vstor_packet->vm_srb.port_number, - vstor_packet->vm_srb.path_id, - vstor_packet->vm_srb.target_id, - vstor_packet->vm_srb.lun, - vstor_packet->vm_srb.sense_info_length, - vstor_packet->vm_srb.cdb_length); - if (request->data_buffer.len) { ret = vmbus_sendpacket_multipagebuffer(device->channel, &request->data_buffer, @@ -574,10 +492,8 @@ int storvsc_do_io(struct hv_device *device, VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); } - if (ret != 0) { - DPRINT_DBG(STORVSC, "Unable to send packet %p ret %d", - vstor_packet, ret); - } + if (ret != 0) + return ret; atomic_inc(&stor_device->num_outstanding_req);