From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E33DC433B4 for ; Thu, 20 May 2021 05:46:04 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BE9E0610A2 for ; Thu, 20 May 2021 05:46:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BE9E0610A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ffdzDqOZxzpQl49KNG2wqQzw6Bhs901CWF+5KLVSXHk=; b=rK/NZaAp3EL41Kg8ZrlHCyrIR BjDWubRF0eefYb+Hws3JkzEF0a/tevbaOeAWH6iUbcbzYbKiu/Kz+XrgTzgI+HXut9fPTgo8lQz61 vvxwtk/ezvpS7RRTl6uKatlyIiWdbY/1c5zcjmabCIe4okTLI+2PtVIiW60w21OpLPAKEKHSQPS4T +kDmc6OzRcfiU2Oa5tsi5ytXjw8rQBxHcfGNzbiB1bN9i/OvbjoAGAl0iGWAeG1u69G2qB/Sj3xOv amddkS3qdTAmvi3mQeqzJfKfKrH1ddOJ3xdvp42BCEuqlz6+R46rAcyG9hFdAf4+mWFjUdGQaMaZx 9A2gKJAig==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1ljbVO-005yr9-EG; Thu, 20 May 2021 05:45:58 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1ljbUE-005yfS-8b for linux-nvme@desiato.infradead.org; Thu, 20 May 2021 05:44:47 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=JoSJkBaJXcaVfj+E189RxrmtRUy7VbYxWGCjKY9TSqc=; b=z7IFZFgb9wUvKchSnHYDLa8N/Q PkEcns6nUvAuswOxwtKlyMemzlh0fcaMg+T4tyQj6KYG7tEbBO7N5mVHXCZoBNjngRE+cNva1JX6V e9FPPLwRcnHq9PsarvloWnXWiv7onrJrUak8FAxK1daPNA5Pj2ii/29EtAyYUnQMjRSYRoKT+QzcI a5Lv40U5WZArXBtOJqigM2Im2mP8cnj1/79Yex7PiYxac//RZDpkRO6oA0khRfm61nxzqr49YehB6 VW3ogdn720MMejTt0SHZSKowT5p8emxUzz/nf01uzoALvUq7/JqU0NMDfGi5lAZYB4BulOLIO6ZGU diMrofjQ==; Received: from [2001:4bb8:180:5add:a633:7cce:5450:3d63] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1ljbUC-00FxMk-J1; Thu, 20 May 2021 05:44:45 +0000 From: Christoph Hellwig To: Keith Busch , Sagi Grimberg Cc: Minwoo Im , linux-nvme@lists.infradead.org Subject: [PATCH 6/7] nvme: split nvme_report_zones Date: Thu, 20 May 2021 07:44:25 +0200 Message-Id: <20210520054426.567241-7-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210520054426.567241-1-hch@lst.de> References: <20210520054426.567241-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Split multipath support out of nvme_report_zones into a separate helper and simplify the non-multipath version as a result. Signed-off-by: Christoph Hellwig --- drivers/nvme/host/core.c | 11 +++++++++++ drivers/nvme/host/multipath.c | 21 ++++++++++++++++++++- drivers/nvme/host/nvme.h | 7 ++----- drivers/nvme/host/zns.c | 20 ++------------------ 4 files changed, 35 insertions(+), 24 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index e7441ccaa8db..309b7b3635f0 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2073,6 +2073,17 @@ int nvme_sec_submit(void *data, u16 spsp, u8 secp, void *buffer, size_t len, EXPORT_SYMBOL_GPL(nvme_sec_submit); #endif /* CONFIG_BLK_SED_OPAL */ +#ifdef CONFIG_BLK_DEV_ZONED +static int nvme_report_zones(struct gendisk *disk, sector_t sector, + unsigned int nr_zones, report_zones_cb cb, void *data) +{ + return nvme_ns_report_zones(disk->private_data, sector, nr_zones, cb, + data); +} +#else +#define nvme_report_zones NULL +#endif /* CONFIG_BLK_DEV_ZONED */ + static const struct block_device_operations nvme_bdev_ops = { .owner = THIS_MODULE, .ioctl = nvme_ioctl, diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index f81871c7128a..127a17b4c13d 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -349,6 +349,25 @@ static void nvme_ns_head_release(struct gendisk *disk, fmode_t mode) nvme_put_ns_head(disk->private_data); } +#ifdef CONFIG_BLK_DEV_ZONED +static int nvme_ns_head_report_zones(struct gendisk *disk, sector_t sector, + unsigned int nr_zones, report_zones_cb cb, void *data) +{ + struct nvme_ns_head *head = disk->private_data; + struct nvme_ns *ns; + int srcu_idx, ret = -EWOULDBLOCK; + + srcu_idx = srcu_read_lock(&head->srcu); + ns = nvme_find_path(head); + if (ns) + ret = nvme_ns_report_zones(ns, sector, nr_zones, cb, data); + srcu_read_unlock(&head->srcu, srcu_idx); + return ret; +} +#else +#define nvme_ns_head_report_zones NULL +#endif /* CONFIG_BLK_DEV_ZONED */ + const struct block_device_operations nvme_ns_head_ops = { .owner = THIS_MODULE, .submit_bio = nvme_ns_head_submit_bio, @@ -356,7 +375,7 @@ const struct block_device_operations nvme_ns_head_ops = { .release = nvme_ns_head_release, .ioctl = nvme_ns_head_ioctl, .getgeo = nvme_getgeo, - .report_zones = nvme_report_zones, + .report_zones = nvme_ns_head_report_zones, .pr_ops = &nvme_pr_ops, }; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 0015860ec12b..01f41b2bf915 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -810,17 +810,14 @@ static inline void nvme_mpath_start_freeze(struct nvme_subsystem *subsys) #endif /* CONFIG_NVME_MULTIPATH */ int nvme_revalidate_zones(struct nvme_ns *ns); +int nvme_ns_report_zones(struct nvme_ns *ns, sector_t sector, + unsigned int nr_zones, report_zones_cb cb, void *data); #ifdef CONFIG_BLK_DEV_ZONED int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf); -int nvme_report_zones(struct gendisk *disk, sector_t sector, - unsigned int nr_zones, report_zones_cb cb, void *data); - blk_status_t nvme_setup_zone_mgmt_send(struct nvme_ns *ns, struct request *req, struct nvme_command *cmnd, enum nvme_zone_mgmt_action action); #else -#define nvme_report_zones NULL - static inline blk_status_t nvme_setup_zone_mgmt_send(struct nvme_ns *ns, struct request *req, struct nvme_command *cmnd, enum nvme_zone_mgmt_action action) diff --git a/drivers/nvme/host/zns.c b/drivers/nvme/host/zns.c index 31e789ecd940..d95010481fce 100644 --- a/drivers/nvme/host/zns.c +++ b/drivers/nvme/host/zns.c @@ -171,8 +171,8 @@ static int nvme_zone_parse_entry(struct nvme_ns *ns, return cb(&zone, idx, data); } -static int nvme_ns_report_zones(struct nvme_ns *ns, sector_t sector, - unsigned int nr_zones, report_zones_cb cb, void *data) +int nvme_ns_report_zones(struct nvme_ns *ns, sector_t sector, + unsigned int nr_zones, report_zones_cb cb, void *data) { struct nvme_zone_report *report; struct nvme_command c = { }; @@ -230,22 +230,6 @@ static int nvme_ns_report_zones(struct nvme_ns *ns, sector_t sector, return ret; } -int nvme_report_zones(struct gendisk *disk, sector_t sector, - unsigned int nr_zones, report_zones_cb cb, void *data) -{ - struct nvme_ns_head *head = NULL; - struct nvme_ns *ns; - int srcu_idx, ret; - - ns = nvme_get_ns_from_disk(disk, &head, &srcu_idx); - if (unlikely(!ns)) - return -EWOULDBLOCK; - ret = nvme_ns_report_zones(ns, sector, nr_zones, cb, data); - nvme_put_ns_from_disk(head, srcu_idx); - - return ret; -} - blk_status_t nvme_setup_zone_mgmt_send(struct nvme_ns *ns, struct request *req, struct nvme_command *c, enum nvme_zone_mgmt_action action) { -- 2.30.2 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme