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=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 A9AF0C433F4 for ; Fri, 24 Jul 2020 17:25:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 850D92070B for ; Fri, 24 Jul 2020 17:25:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=deltatee.com header.i=@deltatee.com header.b="fY5Z8Gjf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726992AbgGXRZo (ORCPT ); Fri, 24 Jul 2020 13:25:44 -0400 Received: from ale.deltatee.com ([204.191.154.188]:58686 "EHLO ale.deltatee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727053AbgGXRZg (ORCPT ); Fri, 24 Jul 2020 13:25:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=deltatee.com; s=20200525; h=Subject:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=8NDho9EykBONaEANrlThsHbP82tdStup5GK3jtapJB0=; b=fY5Z8GjfRNPYA0Vvktf8k1n3nO cncPYeKs2b+Rlss2x43DvlLNw+eYTAGzH5B3NZhw/aeiIuLc8YXmOjPU38aMLDe3+1/jAcj7X16EL hBaOzaLrdUxeHTgcKQ6gcxxCNhKp9U8kuwUX4pHLZiD6fvMwMhWkn5p1i/M3nkr502JE99OcaACsp SWy2HoJKyY7t/mszcs5ROa82qoTntTfjD0DCGqd3IsKQjVWI6cA5HoyRIDyftZMY4BuSlZP9dm3dh aIGykFNC+WGSYow1sabswX29SK/RlnpE3SykEFS2fbIpuMKNX0awi+HqhXzgQJOh1eD9OCf6JDhup TLiDzzlA==; Received: from cgy1-donard.priv.deltatee.com ([172.16.1.31]) by ale.deltatee.com with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jz1Rs-0006ym-6V; Fri, 24 Jul 2020 11:25:34 -0600 Received: from gunthorp by cgy1-donard.priv.deltatee.com with local (Exim 4.92) (envelope-from ) id 1jz1Ri-0004GI-DN; Fri, 24 Jul 2020 11:25:22 -0600 From: Logan Gunthorpe To: linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org Cc: Christoph Hellwig , Sagi Grimberg , Keith Busch , Jens Axboe , Chaitanya Kulkarni , Max Gurtovoy , Stephen Bates , Logan Gunthorpe , Chaitanya Kulkarni Date: Fri, 24 Jul 2020 11:25:16 -0600 Message-Id: <20200724172520.16318-6-logang@deltatee.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200724172520.16318-1-logang@deltatee.com> References: <20200724172520.16318-1-logang@deltatee.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, hch@lst.de, sagi@grimberg.me, kbusch@kernel.org, axboe@fb.com, maxg@mellanox.com, sbates@raithlin.com, logang@deltatee.com, Chaitanya.Kulkarni@wdc.com, chaitanya.kulkarni@wdc.com X-SA-Exim-Mail-From: gunthorp@deltatee.com Subject: [PATCH v16 5/9] nvme: Export nvme_find_get_ns() and nvme_put_ns() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org nvme_find_get_ns() and nvme_put_ns() are required by the target passthru code and are exported under the NVME_TARGET_PASSTHRU namespace. Based-on-a-patch-by: Chaitanya Kulkarni Signed-off-by: Logan Gunthorpe --- drivers/nvme/host/core.c | 6 ++++-- drivers/nvme/host/nvme.h | 2 ++ 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 35b1d13db2e9..4db336066ef0 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -454,10 +454,11 @@ static void nvme_free_ns(struct kref *kref) kfree(ns); } -static void nvme_put_ns(struct nvme_ns *ns) +void nvme_put_ns(struct nvme_ns *ns) { kref_put(&ns->kref, nvme_free_ns); } +EXPORT_SYMBOL_NS_GPL(nvme_put_ns, NVME_TARGET_PASSTHRU); static inline void nvme_clear_nvme_request(struct request *req) { @@ -3815,7 +3816,7 @@ static int ns_cmp(void *priv, struct list_head *a, struct list_head *b) return nsa->head->ns_id - nsb->head->ns_id; } -static struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) +struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) { struct nvme_ns *ns, *ret = NULL; @@ -3833,6 +3834,7 @@ static struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) up_read(&ctrl->namespaces_rwsem); return ret; } +EXPORT_SYMBOL_NS_GPL(nvme_find_get_ns, NVME_TARGET_PASSTHRU); static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) { diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 4bec44ab5a96..ed45ee91f5d6 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -788,5 +788,7 @@ u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 opcode); void nvme_execute_passthru_rq(struct request *rq); struct nvme_ctrl *nvme_ctrl_get_by_path(const char *path); +struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid); +void nvme_put_ns(struct nvme_ns *ns); #endif /* _NVME_H */ -- 2.20.1