From patchwork Tue Jun 21 11:15:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 12889070 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 0ACBCCCA473 for ; Tue, 21 Jun 2022 11:22:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349302AbiFULW1 (ORCPT ); Tue, 21 Jun 2022 07:22:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349317AbiFULWV (ORCPT ); Tue, 21 Jun 2022 07:22:21 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C5082A276; Tue, 21 Jun 2022 04:22:19 -0700 (PDT) Received: from fraeml743-chm.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4LS3w608qZz687Yd; Tue, 21 Jun 2022 19:20:22 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml743-chm.china.huawei.com (10.206.15.224) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 21 Jun 2022 13:22:17 +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; Tue, 21 Jun 2022 12:22:11 +0100 From: John Garry To: , , , , , , , , , CC: , , , , , , , , , , John Garry Subject: [PATCH v2 3/6] blk-mq: Drop blk_mq_ops.timeout 'reserved' arg Date: Tue, 21 Jun 2022 19:15:40 +0800 Message-ID: <1655810143-67784-4-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1655810143-67784-1-git-send-email-john.garry@huawei.com> References: <1655810143-67784-1-git-send-email-john.garry@huawei.com> 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 With new API blk_mq_is_reserved_rq() we can tell if a request is from the reserved pool, so stop passing 'reserved' arg. There is actually only a single user of that arg for all the callback implementations, which can use blk_mq_is_reserved_rq() instead. This will also allow us to stop passing the same 'reserved' around the blk-mq iter functions next. Signed-off-by: John Garry Reviewed-by: Christoph Hellwig Reviewed-by: Bart Van Assche Reviewed-by: Hannes Reinecke Acked-by: Ulf Hansson # For MMC --- block/blk-mq.c | 6 +++--- block/bsg-lib.c | 2 +- drivers/block/mtip32xx/mtip32xx.c | 5 ++--- drivers/block/nbd.c | 3 +-- drivers/block/null_blk/main.c | 2 +- drivers/mmc/core/queue.c | 3 +-- drivers/nvme/host/apple.c | 3 +-- drivers/nvme/host/fc.c | 3 +-- 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/scsi_error.c | 3 +-- drivers/scsi/scsi_priv.h | 3 +-- include/linux/blk-mq.h | 2 +- 16 files changed, 19 insertions(+), 28 deletions(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index d38c97fe89f5..81bd39e36e49 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1426,13 +1426,13 @@ bool blk_mq_queue_inflight(struct request_queue *q) } EXPORT_SYMBOL_GPL(blk_mq_queue_inflight); -static void blk_mq_rq_timed_out(struct request *req, bool reserved) +static void blk_mq_rq_timed_out(struct request *req) { req->rq_flags |= RQF_TIMED_OUT; if (req->q->mq_ops->timeout) { enum blk_eh_timer_return ret; - ret = req->q->mq_ops->timeout(req, reserved); + ret = req->q->mq_ops->timeout(req); if (ret == BLK_EH_DONE) return; WARN_ON_ONCE(ret != BLK_EH_RESET_TIMER); @@ -1481,7 +1481,7 @@ static bool blk_mq_check_expired(struct request *rq, void *priv, bool reserved) * from blk_mq_check_expired(). */ if (blk_mq_req_expired(rq, next)) - blk_mq_rq_timed_out(rq, reserved); + blk_mq_rq_timed_out(rq); return true; } diff --git a/block/bsg-lib.c b/block/bsg-lib.c index acfe1357bf6c..9570c77b9fe3 100644 --- a/block/bsg-lib.c +++ b/block/bsg-lib.c @@ -331,7 +331,7 @@ void bsg_remove_queue(struct request_queue *q) } EXPORT_SYMBOL_GPL(bsg_remove_queue); -static enum blk_eh_timer_return bsg_timeout(struct request *rq, bool reserved) +static enum blk_eh_timer_return bsg_timeout(struct request *rq) { struct bsg_set *bset = container_of(rq->q->tag_set, struct bsg_set, tag_set); diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 27386a572ba4..d5767215840c 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3487,12 +3487,11 @@ static int mtip_init_cmd(struct blk_mq_tag_set *set, struct request *rq, return 0; } -static enum blk_eh_timer_return mtip_cmd_timeout(struct request *req, - bool reserved) +static enum blk_eh_timer_return mtip_cmd_timeout(struct request *req) { struct driver_data *dd = req->q->queuedata; - if (reserved) { + if (blk_mq_is_reserved_rq(req)) { struct mtip_cmd *cmd = blk_mq_rq_to_pdu(req); cmd->status = BLK_STS_TIMEOUT; diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 07f3c139a3d7..166303716560 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -393,8 +393,7 @@ static u32 req_to_nbd_cmd_type(struct request *req) } } -static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req, - bool reserved) +static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req) { struct nbd_cmd *cmd = blk_mq_rq_to_pdu(req); struct nbd_device *nbd = cmd->nbd; diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c index 6b67088f4ea7..2d815d1eba25 100644 --- a/drivers/block/null_blk/main.c +++ b/drivers/block/null_blk/main.c @@ -1578,7 +1578,7 @@ static int null_poll(struct blk_mq_hw_ctx *hctx, struct io_comp_batch *iob) return nr; } -static enum blk_eh_timer_return null_timeout_rq(struct request *rq, bool res) +static enum blk_eh_timer_return null_timeout_rq(struct request *rq) { struct blk_mq_hw_ctx *hctx = rq->mq_hctx; struct nullb_cmd *cmd = blk_mq_rq_to_pdu(rq); diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index fa5324ceeebe..17236340dbd2 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -116,8 +116,7 @@ static enum blk_eh_timer_return mmc_cqe_timed_out(struct request *req) } } -static enum blk_eh_timer_return mmc_mq_timed_out(struct request *req, - bool reserved) +static enum blk_eh_timer_return mmc_mq_timed_out(struct request *req) { struct request_queue *q = req->q; struct mmc_queue *mq = q->queuedata; diff --git a/drivers/nvme/host/apple.c b/drivers/nvme/host/apple.c index d702d7d60235..495118ce958a 100644 --- a/drivers/nvme/host/apple.c +++ b/drivers/nvme/host/apple.c @@ -862,8 +862,7 @@ static void apple_nvme_disable(struct apple_nvme *anv, bool shutdown) } } -static enum blk_eh_timer_return apple_nvme_timeout(struct request *req, - bool reserved) +static enum blk_eh_timer_return apple_nvme_timeout(struct request *req) { struct apple_nvme_iod *iod = blk_mq_rq_to_pdu(req); struct apple_nvme_queue *q = iod->q; diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 3c778bb0c294..a166c0b1cc33 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2565,8 +2565,7 @@ nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg) nvme_reset_ctrl(&ctrl->ctrl); } -static enum blk_eh_timer_return -nvme_fc_timeout(struct request *rq, bool reserved) +static enum blk_eh_timer_return nvme_fc_timeout(struct request *rq) { struct nvme_fc_fcp_op *op = blk_mq_rq_to_pdu(rq); struct nvme_fc_ctrl *ctrl = op->ctrl; diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index c7012e85d035..83b1229a4e36 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1344,7 +1344,7 @@ static void nvme_warn_reset(struct nvme_dev *dev, u32 csts) "Try \"nvme_core.default_ps_max_latency_us=0 pcie_aspm=off\" and report a bug\n"); } -static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) +static enum blk_eh_timer_return nvme_timeout(struct request *req) { struct nvme_iod *iod = blk_mq_rq_to_pdu(req); struct nvme_queue *nvmeq = iod->nvmeq; diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index f2a5e1ea508a..d2fb8651e49d 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -2013,8 +2013,7 @@ static void nvme_rdma_complete_timed_out(struct request *rq) nvmf_complete_timed_out_request(rq); } -static enum blk_eh_timer_return -nvme_rdma_timeout(struct request *rq, bool reserved) +static enum blk_eh_timer_return nvme_rdma_timeout(struct request *rq) { struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq); struct nvme_rdma_queue *queue = req->queue; diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index bb67538d241b..f21f7b0140f9 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -2321,8 +2321,7 @@ static void nvme_tcp_complete_timed_out(struct request *rq) nvmf_complete_timed_out_request(rq); } -static enum blk_eh_timer_return -nvme_tcp_timeout(struct request *rq, bool reserved) +static enum blk_eh_timer_return nvme_tcp_timeout(struct request *rq) { struct nvme_tcp_request *req = blk_mq_rq_to_pdu(rq); struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index ba6d78789660..35d6f62ed515 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3145,7 +3145,7 @@ static blk_status_t do_dasd_request(struct blk_mq_hw_ctx *hctx, * BLK_EH_DONE if the request is handled or terminated * by the driver. */ -enum blk_eh_timer_return dasd_times_out(struct request *req, bool reserved) +enum blk_eh_timer_return dasd_times_out(struct request *req) { struct dasd_block *block = req->q->queuedata; struct dasd_device *device; diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 83b918b84b4a..333a399f754e 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -795,7 +795,7 @@ void dasd_free_device(struct dasd_device *); struct dasd_block *dasd_alloc_block(void); void dasd_free_block(struct dasd_block *); -enum blk_eh_timer_return dasd_times_out(struct request *req, bool reserved); +enum blk_eh_timer_return dasd_times_out(struct request *req); void dasd_enable_device(struct dasd_device *); void dasd_set_target_state(struct dasd_device *, int); diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index a8b71b73a5a5..266ce414589c 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -318,7 +318,6 @@ void scsi_eh_scmd_add(struct scsi_cmnd *scmd) /** * scsi_timeout - Timeout function for normal scsi commands. * @req: request that is timing out. - * @reserved: whether the request is a reserved request. * * Notes: * We do not need to lock this. There is the potential for a race @@ -326,7 +325,7 @@ void scsi_eh_scmd_add(struct scsi_cmnd *scmd) * normal completion function determines that the timer has already * fired, then it mustn't do anything. */ -enum blk_eh_timer_return scsi_timeout(struct request *req, bool reserved) +enum blk_eh_timer_return scsi_timeout(struct request *req) { struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req); enum blk_eh_timer_return rtn = BLK_EH_DONE; diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 695d0c83ffe0..6eeaa0a7f86d 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -72,8 +72,7 @@ extern void scsi_exit_devinfo(void); /* scsi_error.c */ extern void scmd_eh_abort_handler(struct work_struct *work); -extern enum blk_eh_timer_return scsi_timeout(struct request *req, - bool reserved); +extern enum blk_eh_timer_return scsi_timeout(struct request *req); extern int scsi_error_handler(void *host); extern enum scsi_disposition scsi_decide_disposition(struct scsi_cmnd *cmd); extern void scsi_eh_wakeup(struct Scsi_Host *shost); diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 6d81fe10e850..fbb08bdd4618 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -575,7 +575,7 @@ struct blk_mq_ops { /** * @timeout: Called on request timeout. */ - enum blk_eh_timer_return (*timeout)(struct request *, bool); + enum blk_eh_timer_return (*timeout)(struct request *); /** * @poll: Called to poll for completion of a specific tag.