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=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 E18B5C43461 for ; Mon, 7 Sep 2020 17:06:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98BFD21532 for ; Mon, 7 Sep 2020 17:06:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599498382; bh=Nj/GzaD1UpOXnjHdTpNAtZUw2gLD8Wl7Igk/DA9JABQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Ags2HNHFpn837el7d0dxGBvUH4bF13Fyg0baBYWAH09ldIB8hgpbeu7OID8VjViXd 0OyB+21znP6w8cFKbRAlUM4GdYj2rtqC75YJrWIydZfQTpOoH1Bdq/6HaOZszA4J3w S476jhdsLg8HehwCAcXdQUyi9TvVYOhCV2LvKsGk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731096AbgIGRGU (ORCPT ); Mon, 7 Sep 2020 13:06:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:46746 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730661AbgIGQc6 (ORCPT ); Mon, 7 Sep 2020 12:32:58 -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 9167C217BA; Mon, 7 Sep 2020 16:32:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599496378; bh=Nj/GzaD1UpOXnjHdTpNAtZUw2gLD8Wl7Igk/DA9JABQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M61d7zNxL3MarHhw7xd/yduCGRf2gkKeAWENhVdTsc7ynGhxkXY9kfCYnyndB52nQ 49VzH0J5EWdtLh/JvHN+SIkGEr2o7CWrwmsP5CCsc8dDekXYVpGNaherxg4hvWL7Xt KBEkUrdhfezuGUPzxHgcmnJMMRHSBwabpGGxtdHQ= 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 5.8 29/53] nvme: have nvme_wait_freeze_timeout return if it timed out Date: Mon, 7 Sep 2020 12:31:55 -0400 Message-Id: <20200907163220.1280412-29-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200907163220.1280412-1-sashal@kernel.org> References: <20200907163220.1280412-1-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 f38548e6d55ec..3770020dd8492 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4287,7 +4287,7 @@ 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; @@ -4298,6 +4298,7 @@ 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 e268f1d7e1a0f..c053aedbc55db 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -538,7 +538,7 @@ 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