Message ID | 1439995626-16202-1-git-send-email-krisman@linux.vnet.ibm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 08/19/2015 09:47 AM, Gabriel Krisman Bertazi wrote: > Disable underlength error verification based on count of bytes actually > transferred for AF DASD devices when SIS pipe mode is enabled. > > This avoids unexpected underlength errors when issuing some commands in > raw mode. > > Signed-off-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com> > --- Looks good. Thanks! Acked-by: Brian King <brking@linux.vnet.ibm.com>
Gabriel Krisman Bertazi <krisman <at> linux.vnet.ibm.com> writes: > > Disable underlength error verification based on count of bytes actually > transferred for AF DASD devices when SIS pipe mode is enabled. > > This avoids unexpected underlength errors when issuing some commands in > raw mode. > > Signed-off-by: Gabriel Krisman Bertazi <krisman <at> linux.vnet.ibm.com> Reviewed-by: Wen Xiong<wenxiong@linux.vnet.ibm.com> -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index a9aa389..db0c2cf 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -6382,9 +6382,13 @@ static int ipr_queuecommand(struct Scsi_Host *shost, (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) { ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; } - if (res->raw_mode && ipr_is_af_dasd_device(res)) + if (res->raw_mode && ipr_is_af_dasd_device(res)) { ioarcb->cmd_pkt.request_type = IPR_RQTYPE_PIPE; + if (scsi_cmd->underflow == 0) + ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; + } + if (ioa_cfg->sis64) rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd); else
Disable underlength error verification based on count of bytes actually transferred for AF DASD devices when SIS pipe mode is enabled. This avoids unexpected underlength errors when issuing some commands in raw mode. Signed-off-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com> --- drivers/scsi/ipr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)