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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 C53D5C5517A for ; Tue, 10 Nov 2020 04:05:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81B6E20663 for ; Tue, 10 Nov 2020 04:05:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="u/LjuEdk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732408AbgKJDyG (ORCPT ); Mon, 9 Nov 2020 22:54:06 -0500 Received: from mail.kernel.org ([198.145.29.99]:54800 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732364AbgKJDyF (ORCPT ); Mon, 9 Nov 2020 22:54:05 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9DEB521527; Tue, 10 Nov 2020 03:54:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604980444; bh=hUjuOwHmFj8PtPWjGMDtqE36XsdhC1+MHClHW6V98KA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u/LjuEdkfUwhJqjbC/CI1teemFmGmqmj5nAXAJ9pg+afQtca3+2+eeVN+XIgKXNst t/Dst0tWW9521Mi7iOGLWjMKn2pHIbYhXMil1KBZHiCmPfwA9jJmUdsuUpoIy8X4sy 8vXqACHMGmEdOEBEmrBA77F2ZpeizEL1+h+vuLSk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chao Leng , Sagi Grimberg , Christoph Hellwig , Sasha Levin , linux-nvme@lists.infradead.org Subject: [PATCH AUTOSEL 5.9 32/55] nvme: introduce nvme_sync_io_queues Date: Mon, 9 Nov 2020 22:52:55 -0500 Message-Id: <20201110035318.423757-32-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201110035318.423757-1-sashal@kernel.org> References: <20201110035318.423757-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@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