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[SCSI] megaraid_sas: tape drive support fix

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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<bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Yang, Bo 2009-10-06 14:12:21 -06:00 committed by James Bottomley
parent 153f251e47
commit 8d56825321
1 changed files with 11 additions and 0 deletions
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11
drivers/scsi/megaraid/megaraid_sas.c
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@ -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
*/