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,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 AE839C56202 for ; Tue, 17 Nov 2020 13:35:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 495342467D for ; Tue, 17 Nov 2020 13:35:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="lOXNfJUb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732431AbgKQNfJ (ORCPT ); Tue, 17 Nov 2020 08:35:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:45642 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732284AbgKQNe6 (ORCPT ); Tue, 17 Nov 2020 08:34:58 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 476682078E; Tue, 17 Nov 2020 13:34:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605620098; bh=hUjuOwHmFj8PtPWjGMDtqE36XsdhC1+MHClHW6V98KA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lOXNfJUbyt19uoYX11MDSpIZIeR6AnJfx95FxYIoq+js85x92duhWmcBar2wJQwQ9 Yx/9dw5TiTqUSmuDoWoWiJBS5TrkVoKQgh1ujblHsJJfDybbXJeUB5mVJxf3iMurVx L/oMhRxMAX8uNNA4dPjf0Gb+0onI9LZ30A3oK+Gg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chao Leng , Sagi Grimberg , Christoph Hellwig , Sasha Levin Subject: [PATCH 5.9 107/255] nvme: introduce nvme_sync_io_queues Date: Tue, 17 Nov 2020 14:04:07 +0100 Message-Id: <20201117122144.165615914@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201117122138.925150709@linuxfoundation.org> References: <20201117122138.925150709@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chao Leng [ Upstream commit 04800fbff4764ab7b32c49d19628605a5d4cb85c ] Introduce sync io queues for some scenarios which just only need sync io queues not sync all queues. Signed-off-by: Chao Leng Reviewed-by: Sagi Grimberg Signed-off-by: Christoph Hellwig Signed-off-by: Sasha Levin --- drivers/nvme/host/core.c | 8 ++++++-- drivers/nvme/host/nvme.h | 1 + 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 893e29624c16b..59040bab5d6fa 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4641,8 +4641,7 @@ void nvme_start_queues(struct nvme_ctrl *ctrl) } EXPORT_SYMBOL_GPL(nvme_start_queues); - -void nvme_sync_queues(struct nvme_ctrl *ctrl) +void nvme_sync_io_queues(struct nvme_ctrl *ctrl) { struct nvme_ns *ns; @@ -4650,7 +4649,12 @@ void nvme_sync_queues(struct nvme_ctrl *ctrl) list_for_each_entry(ns, &ctrl->namespaces, list) blk_sync_queue(ns->queue); up_read(&ctrl->namespaces_rwsem); +} +EXPORT_SYMBOL_GPL(nvme_sync_io_queues); +void nvme_sync_queues(struct nvme_ctrl *ctrl) +{ + nvme_sync_io_queues(ctrl); if (ctrl->admin_q) blk_sync_queue(ctrl->admin_q); } diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 2aaedfa43ed86..97fbd61191b33 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -602,6 +602,7 @@ void nvme_stop_queues(struct nvme_ctrl *ctrl); void nvme_start_queues(struct nvme_ctrl *ctrl); void nvme_kill_queues(struct nvme_ctrl *ctrl); void nvme_sync_queues(struct nvme_ctrl *ctrl); +void nvme_sync_io_queues(struct nvme_ctrl *ctrl); void nvme_unfreeze(struct nvme_ctrl *ctrl); void nvme_wait_freeze(struct nvme_ctrl *ctrl); int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout); -- 2.27.0