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 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 98694C7EE2F for ; Wed, 31 May 2023 14:08:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1685542079; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=QbAOnljyCbThR57J1LEDhCUZRWwlcFropKTo+JhOEjw=; b=GwnRe8DKMu0aGFCbts/7gVLRcGyjQMWkWWmlTXN32kOqBDBVL/UzwqA4szwuRge1VWp8lc aAT/VsceD1xtn1K59FvcnB6UX3gqRbhMnq1zEtjjjy+USOh86Ny94D+cUdUyN5Cp8IdUhY PXYlxjFzgtVH5SsAKj1rZmEFtsx25yU= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-470-gHkbXH2LPZ-D7-afQ7venA-1; Wed, 31 May 2023 10:07:57 -0400 X-MC-Unique: gHkbXH2LPZ-D7-afQ7venA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 592153801FF6; Wed, 31 May 2023 14:07:45 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (unknown [10.30.29.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id A0B09421C5; Wed, 31 May 2023 14:07:44 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (localhost [IPv6:::1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 59C0619465A0; Wed, 31 May 2023 14:07:44 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 767F11946595 for ; Wed, 31 May 2023 13:52:26 +0000 (UTC) Received: by smtp.corp.redhat.com (Postfix) id 36E1E421D7; Wed, 31 May 2023 13:52:26 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast02.extmail.prod.ext.rdu2.redhat.com [10.11.55.18]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2F9EE421E0 for ; Wed, 31 May 2023 13:52:21 +0000 (UTC) Received: from us-smtp-inbound-1.mimecast.com (us-smtp-1.mimecast.com [207.211.31.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 034458028B1 for ; Wed, 31 May 2023 13:52:21 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-567-EcI-GO87MHa1RtGXUQA1oQ-1; Wed, 31 May 2023 09:52:19 -0400 X-MC-Unique: EcI-GO87MHa1RtGXUQA1oQ-1 Received: from [2001:4bb8:182:6d06:2e49:a56:513a:92ee] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1q4LNX-00HRRM-1M; Wed, 31 May 2023 12:56:40 +0000 From: Christoph Hellwig To: Jens Axboe Date: Wed, 31 May 2023 14:55:22 +0200 Message-Id: <20230531125535.676098-12-hch@lst.de> In-Reply-To: <20230531125535.676098-1-hch@lst.de> References: <20230531125535.676098-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Subject: [dm-devel] [PATCH 11/24] init: factor the root_wait logic in prepare_namespace into a helper X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Loic Poulain , Vignesh Raghavendra , "Rafael J. Wysocki" , Greg Kroah-Hartman , linux-pm@vger.kernel.org, Joern Engel , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Richard Weinberger , dm-devel@redhat.com, Mike Snitzer , Pavel Machek , Miquel Raynal , linux-mtd@lists.infradead.org Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: lst.de Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit The root_wait logic is a bit obsfucated right now. Expand it and move it into a helper. Signed-off-by: Christoph Hellwig --- init/do_mounts.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/init/do_mounts.c b/init/do_mounts.c index be6d14733ba02f..d5c06c1546e82c 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -606,6 +606,26 @@ void __init mount_root(char *root_device_name) } } +/* wait for any asynchronous scanning to complete */ +static void __init wait_for_root(char *root_device_name) +{ + if (ROOT_DEV != 0) + return; + + pr_info("Waiting for root device %s...\n", root_device_name); + + for (;;) { + if (driver_probe_done()) { + ROOT_DEV = name_to_dev_t(root_device_name); + if (ROOT_DEV) + break; + } + msleep(5); + } + async_synchronize_full(); + +} + static dev_t __init parse_root_device(char *root_device_name) { if (!strncmp(root_device_name, "mtd", 3) || @@ -642,16 +662,8 @@ void __init prepare_namespace(void) if (initrd_load(saved_root_name)) goto out; - /* wait for any asynchronous scanning to complete */ - if ((ROOT_DEV == 0) && root_wait) { - printk(KERN_INFO "Waiting for root device %s...\n", - saved_root_name); - while (!driver_probe_done() || - (ROOT_DEV = name_to_dev_t(saved_root_name)) == 0) - msleep(5); - async_synchronize_full(); - } - + if (root_wait) + wait_for_root(saved_root_name); mount_root(saved_root_name); out: devtmpfs_mount(); -- 2.39.2 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE6FEC7EE31 for ; Wed, 31 May 2023 12:57:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236215AbjEaM5l (ORCPT ); Wed, 31 May 2023 08:57:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236218AbjEaM5L (ORCPT ); Wed, 31 May 2023 08:57:11 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 725C610DB; Wed, 31 May 2023 05:56:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=reP2l+XnVvInA21X0v/lOVTqA4QVG6IJjXgHOwFE+V4=; b=zHQT7WkLH4/2+QmcTap/9HUZxO fGcJEH3MtJF/dzVQZgvXFF7T7KTvpWks0AyqJpSi3yJDpBB9bPrke3I4rEdrEAZ5K863+C/pFKuyy XObT+5KyINbSRqi+3DMuaVtCD803v3gZ87pyERnOyN3spVyaI4ngjmIbLyxD9sXFW77lZGbMB6SP4 O1qksXTMAGK7B7y1fC7FpxyZleKxgIJcQXR8yacRliG7OM+vnJjEGZdL7rnRfGNu3ac360YSrbCju f60volXJkFsx76hmh2fLbodl+Pi3is9gAzkHuEhlPz4L8QqmRY8CXhB/T+wAHb0uWkvrNENmuTYKT XDOoYbsg==; Received: from [2001:4bb8:182:6d06:2e49:a56:513a:92ee] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1q4LNX-00HRRM-1M; Wed, 31 May 2023 12:56:40 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Greg Kroah-Hartman , "Rafael J. Wysocki" , Mike Snitzer , Joern Engel , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Pavel Machek , Loic Poulain , dm-devel@redhat.com, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-mtd@lists.infradead.org, linux-pm@vger.kernel.org Subject: [PATCH 11/24] init: factor the root_wait logic in prepare_namespace into a helper Date: Wed, 31 May 2023 14:55:22 +0200 Message-Id: <20230531125535.676098-12-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230531125535.676098-1-hch@lst.de> References: <20230531125535.676098-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org The root_wait logic is a bit obsfucated right now. Expand it and move it into a helper. Signed-off-by: Christoph Hellwig --- init/do_mounts.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/init/do_mounts.c b/init/do_mounts.c index be6d14733ba02f..d5c06c1546e82c 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -606,6 +606,26 @@ void __init mount_root(char *root_device_name) } } +/* wait for any asynchronous scanning to complete */ +static void __init wait_for_root(char *root_device_name) +{ + if (ROOT_DEV != 0) + return; + + pr_info("Waiting for root device %s...\n", root_device_name); + + for (;;) { + if (driver_probe_done()) { + ROOT_DEV = name_to_dev_t(root_device_name); + if (ROOT_DEV) + break; + } + msleep(5); + } + async_synchronize_full(); + +} + static dev_t __init parse_root_device(char *root_device_name) { if (!strncmp(root_device_name, "mtd", 3) || @@ -642,16 +662,8 @@ void __init prepare_namespace(void) if (initrd_load(saved_root_name)) goto out; - /* wait for any asynchronous scanning to complete */ - if ((ROOT_DEV == 0) && root_wait) { - printk(KERN_INFO "Waiting for root device %s...\n", - saved_root_name); - while (!driver_probe_done() || - (ROOT_DEV = name_to_dev_t(saved_root_name)) == 0) - msleep(5); - async_synchronize_full(); - } - + if (root_wait) + wait_for_root(saved_root_name); mount_root(saved_root_name); out: devtmpfs_mount(); -- 2.39.2 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8B3A3C77B7A for ; Wed, 31 May 2023 12:57:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=P+z7TRMS3ezHl6D5v0jLNqE3hfUXlnoHVfInt3iycvM=; b=fptYoo9l/mDrBZ uVbuUuVeQzAAJh8LAa85Wmho3sv+sLp/wyrdpx2d93kQwMmIBABljvu3yq6xlYsDWPuBwTT+nKz8g /ALroaIAfqNHwrXRPP04aQuCVYQufpS765F6HX8l2WEZIoOdPdbfsHz02S+7ORCIreI15Tli+V9zQ bpfxTRF9+bnBs4lY0GLtzZeKccQx+TXs98hWpJTVxChUYtxlTA5h3GisgrL0Wf0SU19oIob61L8pG I1W40vm9NMP1xPFKrHGBmUET1CRTvHaF8ULGSLCxCeuc1qfZW36K9HFvSE6tcC+/z0WfWxg7X4fIw yZNUpqFiQ0doHQDQy3mQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q4LNZ-00HRWP-2s; Wed, 31 May 2023 12:56:41 +0000 Received: from [2001:4bb8:182:6d06:2e49:a56:513a:92ee] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1q4LNX-00HRRM-1M; Wed, 31 May 2023 12:56:40 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Greg Kroah-Hartman , "Rafael J. Wysocki" , Mike Snitzer , Joern Engel , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Pavel Machek , Loic Poulain , dm-devel@redhat.com, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-mtd@lists.infradead.org, linux-pm@vger.kernel.org Subject: [PATCH 11/24] init: factor the root_wait logic in prepare_namespace into a helper Date: Wed, 31 May 2023 14:55:22 +0200 Message-Id: <20230531125535.676098-12-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230531125535.676098-1-hch@lst.de> References: <20230531125535.676098-1-hch@lst.de> MIME-Version: 1.0 X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org The root_wait logic is a bit obsfucated right now. Expand it and move it into a helper. Signed-off-by: Christoph Hellwig --- init/do_mounts.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/init/do_mounts.c b/init/do_mounts.c index be6d14733ba02f..d5c06c1546e82c 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -606,6 +606,26 @@ void __init mount_root(char *root_device_name) } } +/* wait for any asynchronous scanning to complete */ +static void __init wait_for_root(char *root_device_name) +{ + if (ROOT_DEV != 0) + return; + + pr_info("Waiting for root device %s...\n", root_device_name); + + for (;;) { + if (driver_probe_done()) { + ROOT_DEV = name_to_dev_t(root_device_name); + if (ROOT_DEV) + break; + } + msleep(5); + } + async_synchronize_full(); + +} + static dev_t __init parse_root_device(char *root_device_name) { if (!strncmp(root_device_name, "mtd", 3) || @@ -642,16 +662,8 @@ void __init prepare_namespace(void) if (initrd_load(saved_root_name)) goto out; - /* wait for any asynchronous scanning to complete */ - if ((ROOT_DEV == 0) && root_wait) { - printk(KERN_INFO "Waiting for root device %s...\n", - saved_root_name); - while (!driver_probe_done() || - (ROOT_DEV = name_to_dev_t(saved_root_name)) == 0) - msleep(5); - async_synchronize_full(); - } - + if (root_wait) + wait_for_root(saved_root_name); mount_root(saved_root_name); out: devtmpfs_mount(); -- 2.39.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/