From patchwork Wed Jul 6 12:03:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 12908070 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCD6ECCA480 for ; Wed, 6 Jul 2022 12:11:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232859AbiGFMK6 (ORCPT ); Wed, 6 Jul 2022 08:10:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231190AbiGFMK5 (ORCPT ); Wed, 6 Jul 2022 08:10:57 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B57FB28E11; Wed, 6 Jul 2022 05:10:56 -0700 (PDT) Received: from fraeml741-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4LdJJF2PH9z6GDCP; Wed, 6 Jul 2022 20:09:49 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml741-chm.china.huawei.com (10.206.15.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 6 Jul 2022 14:10:54 +0200 Received: from localhost.localdomain (10.69.192.58) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 6 Jul 2022 13:10:48 +0100 From: John Garry To: , , , , , , , , , CC: , , , , , , , , , , John Garry Subject: [PATCH v3 0/6] blk-mq: Add a flag for reserved requests series Date: Wed, 6 Jul 2022 20:03:48 +0800 Message-ID: <1657109034-206040-1-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Hi Jens, Can you please consider this series? Thanks --- In [0] I included "blk-mq: Add a flag for reserved requests" to identify if a request is 'reserved' for special handling. Doing this is easier than passing a 'reserved' arg to the blk_mq_ops callbacks. Indeed, only 1x timeout implementation or blk-mq iter function actually uses the 'reserved' arg (or 3x if you count SCSI core and FNIC SCSI driver). So this series drops the 'reserved' arg for these timeout and iter functions. Christoph suggested that I try to upstream now. Differences to v2: - Rebase - Apply more RB tags (thanks!) Differences to v1: - Use "scsi_timeout" as name for SCSI timeout function and update docs - Add RB tags (thanks!) - Split out patch to drop local variables for 'reserved', as requested by Bart Based on following: e55cf7981405 (block/for-5.20/block) blk-cgroup: factor out blkcg_free_all_cpd() [0] https://lore.kernel.org/linux-scsi/1654770559-101375-1-git-send-email-john.garry@huawei.com/T/#m22aa9f89e55835edc2e650d43f7e3219a3a1a324 John Garry (6): scsi: core: Remove reserved request time-out handling blk-mq: Add a flag for reserved requests blk-mq: Drop blk_mq_ops.timeout 'reserved' arg scsi: fnic: Drop reserved request handling blk-mq: Drop 'reserved' arg of busy_tag_iter_fn blk-mq: Drop local variable for reserved tag Documentation/scsi/scsi_eh.rst | 3 +-- Documentation/scsi/scsi_mid_low_api.rst | 2 +- block/blk-mq-debugfs.c | 2 +- block/blk-mq-tag.c | 13 +++++-------- block/blk-mq.c | 22 +++++++++++++--------- block/bsg-lib.c | 2 +- drivers/block/mtip32xx/mtip32xx.c | 9 ++++----- drivers/block/nbd.c | 5 ++--- drivers/block/null_blk/main.c | 2 +- drivers/infiniband/ulp/srp/ib_srp.c | 3 +-- drivers/mmc/core/queue.c | 3 +-- drivers/nvme/host/apple.c | 3 +-- drivers/nvme/host/core.c | 2 +- drivers/nvme/host/fc.c | 6 ++---- drivers/nvme/host/nvme.h | 2 +- drivers/nvme/host/pci.c | 2 +- drivers/nvme/host/rdma.c | 3 +-- drivers/nvme/host/tcp.c | 3 +-- drivers/s390/block/dasd.c | 2 +- drivers/s390/block/dasd_int.h | 2 +- drivers/scsi/aacraid/comminit.c | 2 +- drivers/scsi/aacraid/linit.c | 2 +- drivers/scsi/fnic/fnic_scsi.c | 14 ++++---------- drivers/scsi/hosts.c | 14 ++++++-------- drivers/scsi/mpi3mr/mpi3mr_os.c | 16 ++++------------ drivers/scsi/scsi_error.c | 6 +++--- drivers/scsi/scsi_lib.c | 8 -------- drivers/scsi/scsi_priv.h | 2 +- include/linux/blk-mq.h | 10 ++++++++-- include/scsi/scsi_host.h | 2 +- 30 files changed, 70 insertions(+), 97 deletions(-)