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=-13.2 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=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 01F38C2BB84 for ; Mon, 7 Sep 2020 16:57:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C30D72080A for ; Mon, 7 Sep 2020 16:57:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599497834; bh=1KLccYs4HIJBd2LVQIYIdYFq4wKOPqgFe98sjpvZdqE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NtU3viRBX439AmUoPhSn44z9PnH3XTDr3X7QnuPT/8R2+HwcAkABT7trdmU2Hvp1S nn7TmcBkQ0g9HTq37HA2NxqlgeIUKIFltD2uh6dRQHc7xy0CgeDSPI7rM/lAx3JjSj mnOOFQRIUYdSC3TpxUjeGs8uZ5bAh8DSPeuoIHeY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731147AbgIGQ5N (ORCPT ); Mon, 7 Sep 2020 12:57:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:48028 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730365AbgIGQeG (ORCPT ); Mon, 7 Sep 2020 12:34:06 -0400 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 4182821D24; Mon, 7 Sep 2020 16:33:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599496438; bh=1KLccYs4HIJBd2LVQIYIdYFq4wKOPqgFe98sjpvZdqE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AkYeCYw3BSf8vV31KVT6UsBHN3YSxY4PmY88lN61WPEvQfBfMG5wr53jBaE7KC9J7 PQv7eA57A/SXUyFIt6Omt1vILvhV1QYpicZy13CVmTYjXj7jLmoceTaUF1OFG8Lt5+ mkHZFXpXywaE5+H97kh1PhKnthaunh8V+C8fkOUE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sagi Grimberg , Christoph Hellwig , Sasha Levin , linux-nvme@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 22/43] nvme: have nvme_wait_freeze_timeout return if it timed out Date: Mon, 7 Sep 2020 12:33:08 -0400 Message-Id: <20200907163329.1280888-22-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200907163329.1280888-1-sashal@kernel.org> References: <20200907163329.1280888-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sagi Grimberg [ Upstream commit 7cf0d7c0f3c3b0203aaf81c1bc884924d8fdb9bd ] Users can detect if the wait has completed or not and take appropriate actions based on this information (e.g. weather to continue initialization or rather fail and schedule another initialization attempt). Reviewed-by: Christoph Hellwig Signed-off-by: Sagi Grimberg Signed-off-by: Sasha Levin --- drivers/nvme/host/core.c | 3 ++- drivers/nvme/host/nvme.h | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index ff5681da8780d..07c881fe34bb3 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4148,7 +4148,7 @@ void nvme_unfreeze(struct nvme_ctrl *ctrl) } EXPORT_SYMBOL_GPL(nvme_unfreeze); -void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) +int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) { struct nvme_ns *ns; @@ -4159,6 +4159,7 @@ void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) break; } up_read(&ctrl->namespaces_rwsem); + return timeout; } EXPORT_SYMBOL_GPL(nvme_wait_freeze_timeout); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 056953bd8bd81..2bd9f7c3084f2 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -485,7 +485,7 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl); void nvme_sync_queues(struct nvme_ctrl *ctrl); void nvme_unfreeze(struct nvme_ctrl *ctrl); void nvme_wait_freeze(struct nvme_ctrl *ctrl); -void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout); +int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout); void nvme_start_freeze(struct nvme_ctrl *ctrl); #define NVME_QID_ANY -1 -- 2.25.1