[PATCH 2/3] scsi: arcmsr: Add slave_configure callback function to set device command timeout value

[Ching Huang]

>From Ching Huang <ching2...@areca.com.tw>

Add slave_configure callback function to set device command timeout value

Signed-off-by: Ching Huang <ching2...@areca.com.tw>
---

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index f6ddaec..79a4487 100755
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -139,6 +139,7 @@ static irqreturn_t arcmsr_interrupt(struct 
AdapterControlBlock *acb);
 static void arcmsr_free_irq(struct pci_dev *, struct AdapterControlBlock *);
 static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb);
 static void arcmsr_set_iop_datetime(struct timer_list *);
+static int arcmsr_slave_config(struct scsi_device *sdev);
 static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int 
queue_depth)
 {
        if (queue_depth > ARCMSR_MAX_CMD_PERLUN)
@@ -154,6 +155,7 @@ static struct scsi_host_template arcmsr_scsi_host_template 
= {
        .eh_abort_handler       = arcmsr_abort,
        .eh_bus_reset_handler   = arcmsr_bus_reset,
        .bios_param             = arcmsr_bios_param,
+       .slave_configure        = arcmsr_slave_config,
        .change_queue_depth     = arcmsr_adjust_disk_queue_depth,
        .can_queue              = ARCMSR_DEFAULT_OUTSTANDING_CMD,
        .this_id                = ARCMSR_SCSI_INITIATOR_ID,
@@ -3033,6 +3035,17 @@ static int arcmsr_queue_command_lck(struct scsi_cmnd 
*cmd,
 
 static DEF_SCSI_QCMD(arcmsr_queue_command)
 
+static int arcmsr_slave_config(struct scsi_device *sdev)
+{
+       unsigned int    dev_timeout;
+
+       dev_timeout = sdev->request_queue->rq_timeout;
+       if ((cmd_timeout > 0) && ((cmd_timeout * HZ) > dev_timeout))
+               blk_queue_rq_timeout(sdev->request_queue, cmd_timeout * HZ);
+       arcmsr_adjust_disk_queue_depth(sdev, cmd_per_lun);
+       return 0;
+}
+
 static void arcmsr_get_adapter_config(struct AdapterControlBlock *pACB, 
uint32_t *rwbuffer)
 {
        int count;