[0/3] block/scsi/nvme: Add error codes for PR ops

Message ID	20221109031106.201324-1-michael.christie@oracle.com
Headers	show Return-Path: <linux-scsi-owner@kernel.org> From: Mike Christie <michael.christie@oracle.com> To: kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me, martin.petersen@oracle.com, jejb@linux.ibm.com, linux-scsi@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org Subject: [PATCH 0/3] block/scsi/nvme: Add error codes for PR ops Date: Tue, 8 Nov 2022 21:11:03 -0600 Message-Id: <20221109031106.201324-1-michael.christie@oracle.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain MIME-Version: 1.0 Precedence: bulk
Series	block/scsi/nvme: Add error codes for PR ops \| expand [0/3] block/scsi/nvme: Add error codes for PR ops [1/3] block: Add error codes for common PR failures [2/3] scsi: Convert SCSI errors to PR_STS errors [3/3] nvme: Convert NVMe errors to PT_STS errors

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20221109031106.201324-1-michael.christie@oracle.com

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From: Mike Christie <michael.christie@oracle.com>
To: kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me,
        martin.petersen@oracle.com, jejb@linux.ibm.com,
        linux-scsi@vger.kernel.org, linux-nvme@lists.infradead.org,
        linux-block@vger.kernel.org
Subject: [PATCH 0/3] block/scsi/nvme: Add error codes for PR ops
Date: Tue,  8 Nov 2022 21:11:03 -0600
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Series

block/scsi/nvme: Add error codes for PR ops | expand

Message

Mike Christie Nov. 9, 2022, 3:11 a.m. UTC

The following patches were made over Linus's tree and allow the PR/pr_ops
users to handle errors without having to know the device type and also
for SCSI handle devices that require the sense code. Currently, we return
a -Exyz type of error code if the PR call fails before the drivers can
send the command and a device specific error code if it's queued. The
problem is that the callers don't always know the device type so they
can't check for specific errors like reservation conflicts, or transport
errors or invalid operations.

These patches add common error codes which callers can check for.