target: move transport_get_sense_data
authorPaolo Bonzini <pbonzini@redhat.com>
Wed, 5 Sep 2012 15:09:13 +0000 (17:09 +0200)
committerNicholas Bellinger <nab@linux-iscsi.org>
Thu, 6 Sep 2012 00:19:46 +0000 (17:19 -0700)
We will be calling it from transport_complete_cmd, avoid forward
declarations.  No semantic change.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
drivers/target/target_core_transport.c

index 3425098ef728cec10719669a5d4e5cffc5317a05..d0afdaa062552d3090f46ec8628e12961b68fdbe 100644 (file)
@@ -567,6 +567,61 @@ static void target_complete_failure_work(struct work_struct *work)
        transport_generic_request_failure(cmd);
 }
 
+/*
+ * Used to obtain Sense Data from underlying Linux/SCSI struct scsi_cmnd
+ */
+static int transport_get_sense_data(struct se_cmd *cmd)
+{
+       unsigned char *buffer = cmd->sense_buffer, *sense_buffer = NULL;
+       struct se_device *dev = cmd->se_dev;
+       unsigned long flags;
+       u32 offset = 0;
+
+       WARN_ON(!cmd->se_lun);
+
+       if (!dev)
+               return 0;
+
+       spin_lock_irqsave(&cmd->t_state_lock, flags);
+       if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) {
+               spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+               return 0;
+       }
+
+       if (!(cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE))
+               goto out;
+
+       if (!dev->transport->get_sense_buffer) {
+               pr_err("dev->transport->get_sense_buffer is NULL\n");
+               goto out;
+       }
+
+       sense_buffer = dev->transport->get_sense_buffer(cmd);
+       if (!sense_buffer) {
+               pr_err("ITT 0x%08x cmd %p: Unable to locate"
+                       " sense buffer for task with sense\n",
+                       cmd->se_tfo->get_task_tag(cmd), cmd);
+               goto out;
+       }
+
+       spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+
+       offset = cmd->se_tfo->set_fabric_sense_len(cmd, TRANSPORT_SENSE_BUFFER);
+
+       memcpy(&buffer[offset], sense_buffer, TRANSPORT_SENSE_BUFFER);
+
+       /* Automatically padded */
+       cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset;
+
+       pr_debug("HBA_[%u]_PLUG[%s]: Set SAM STATUS: 0x%02x and sense\n",
+               dev->se_hba->hba_id, dev->transport->name, cmd->scsi_status);
+       return 0;
+
+out:
+       spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+       return -1;
+}
+
 void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status)
 {
        struct se_device *dev = cmd->se_dev;
@@ -1820,61 +1875,6 @@ execute:
 }
 EXPORT_SYMBOL(target_execute_cmd);
 
-/*
- * Used to obtain Sense Data from underlying Linux/SCSI struct scsi_cmnd
- */
-static int transport_get_sense_data(struct se_cmd *cmd)
-{
-       unsigned char *buffer = cmd->sense_buffer, *sense_buffer = NULL;
-       struct se_device *dev = cmd->se_dev;
-       unsigned long flags;
-       u32 offset = 0;
-
-       WARN_ON(!cmd->se_lun);
-
-       if (!dev)
-               return 0;
-
-       spin_lock_irqsave(&cmd->t_state_lock, flags);
-       if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) {
-               spin_unlock_irqrestore(&cmd->t_state_lock, flags);
-               return 0;
-       }
-
-       if (!(cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE))
-               goto out;
-
-       if (!dev->transport->get_sense_buffer) {
-               pr_err("dev->transport->get_sense_buffer is NULL\n");
-               goto out;
-       }
-
-       sense_buffer = dev->transport->get_sense_buffer(cmd);
-       if (!sense_buffer) {
-               pr_err("ITT 0x%08x cmd %p: Unable to locate"
-                       " sense buffer for task with sense\n",
-                       cmd->se_tfo->get_task_tag(cmd), cmd);
-               goto out;
-       }
-
-       spin_unlock_irqrestore(&cmd->t_state_lock, flags);
-
-       offset = cmd->se_tfo->set_fabric_sense_len(cmd, TRANSPORT_SENSE_BUFFER);
-
-       memcpy(&buffer[offset], sense_buffer, TRANSPORT_SENSE_BUFFER);
-
-       /* Automatically padded */
-       cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset;
-
-       pr_debug("HBA_[%u]_PLUG[%s]: Set SAM STATUS: 0x%02x and sense\n",
-               dev->se_hba->hba_id, dev->transport->name, cmd->scsi_status);
-       return 0;
-
-out:
-       spin_unlock_irqrestore(&cmd->t_state_lock, flags);
-       return -1;
-}
-
 /*
  * Process all commands up to the last received ORDERED task attribute which
  * requires another blocking boundary