From 8d56825321339f0ef7ad08eb58332e1836881e3b Mon Sep 17 00:00:00 2001 From: "Yang, Bo" Date: Tue, 6 Oct 2009 14:12:21 -0600 Subject: [SCSI] megaraid_sas: tape drive support fix Add the Tape drive fix to the megaraid_sas driver: If the command is for the tape device, set the FW pthru timeout to the os layer timeout value. Signed-off-by Bo Yang Signed-off-by: James Bottomley --- drivers/scsi/megaraid/megaraid_sas.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index a39addc3a59..6fd1e179602 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -686,6 +686,17 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp, memcpy(pthru->cdb, scp->cmnd, scp->cmd_len); + /* + * If the command is for the tape device, set the + * pthru timeout to the os layer timeout value. + */ + if (scp->device->type == TYPE_TAPE) { + if ((scp->request->timeout / HZ) > 0xFFFF) + pthru->timeout = 0xFFFF; + else + pthru->timeout = scp->request->timeout / HZ; + } + /* * Construct SGL */ -- cgit v1.2.3-18-g5258