ipr: Inhibit underlength data check for AFDASD in raw mode.
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> Reviewed-by: Wen Xiong <wenxiong@linux.vnet.ibm.com> Acked-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
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1 changed files with 5 additions and 1 deletions
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@ -6383,9 +6383,13 @@ static int ipr_queuecommand(struct Scsi_Host *shost,
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(!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) {
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ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
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}
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if (res->raw_mode && ipr_is_af_dasd_device(res))
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if (res->raw_mode && ipr_is_af_dasd_device(res)) {
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ioarcb->cmd_pkt.request_type = IPR_RQTYPE_PIPE;
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if (scsi_cmd->underflow == 0)
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ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK;
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}
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if (ioa_cfg->sis64)
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rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd);
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else
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