From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941119AbdAJRgX (ORCPT ); Tue, 10 Jan 2017 12:36:23 -0500 Received: from mail-by2nam01on0071.outbound.protection.outlook.com ([104.47.34.71]:27555 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S941050AbdAJRgT (ORCPT ); Tue, 10 Jan 2017 12:36:19 -0500 Authentication-Results: spf=pass (sender IP is 74.221.232.54) smtp.mailfrom=sandisk.com; us.ibm.com; dkim=none (message not signed) header.d=none;us.ibm.com; dmarc=bestguesspass action=none header.from=sandisk.com; X-AuditID: ac1c2133-0c3ff70000013ebf-41-58759660190c From: Bart Van Assche To: "bryantly@linux.vnet.ibm.com" CC: "jejb@linux.vnet.ibm.com" , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "bgly@us.ibm.com" , "target-devel@vger.kernel.org" , "martin.petersen@oracle.com" , "nab@linux-iscsi.org" Subject: Re: [PATCH] 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X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id v0AHaU92020353 On Mon, 2017-01-09 at 10:21 -0600, Bryant G. Ly wrote: > From: "Bryant G. Ly" > > If srp_transfer_data fails within ibmvscsis_write_pending, then > the most likely scenario is that the client timed out the op and > removed the TCE mapping. Thus it will loop forever retrying the > op that is pretty much guaranteed to fail forever. A better return > code would be EIO instead of EAGAIN. > > Cc: stable@vger.kernel.org > Reported-by: Steven Royer > Tested-by: Steven Royer > Signed-off-by: Bryant G. Ly > --- >  drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c | 2 +- >  1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c > index 3d3768a..8fb5c54 100644 > --- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c > +++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c > @@ -3585,7 +3585,7 @@ static int ibmvscsis_write_pending(struct se_cmd *se_cmd) >          1, 1); >   if (rc) { >   pr_err("srp_transfer_data() failed: %d\n", rc); > - return -EAGAIN; > + return -EIO; >   } >   /* >    * We now tell TCM to add this WRITE CDB directly into the TCM storage Using the "Cc: stable@vger.kernel.org" tag is fine but please do not add stable@vger.kernel.org to the CC-list of the e-mail header. Anyway, thanks for the patch. It has been applied on my for-v4.10 branch. Bart.