From patchwork Thu Sep 12 21:49:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Marzinski X-Patchwork-Id: 13802726 X-Patchwork-Delegate: bmarzins@redhat.com 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.subspace.kernel.org (Postfix) with ESMTPS id 172831C2435 for ; Thu, 12 Sep 2024 21:49:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726177798; cv=none; b=qczvd2/0yRU+Iw6sU6KiZZOcRUE8Ff5E5R9DN+OEc0tYcfNdNsT+J+87tp9fwjOelrwzs6cMqxiOYcROP73w9nc+sW83+NpDO8DnV5wY3nB1E1PTDtpYM2TsS9w36cKqIWIBXU+GKaXvT5YZyJKCJxWLiSZvuzIniRDT5fNZIso= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726177798; c=relaxed/simple; bh=smN+wu34rAq4qoUCYwTNmbPA5KTag/DrsdSqQRnpuWA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Ypr+mCBe1Oi5LzCpTmf0dMeX0YfTBYY+LxKiNKvoa9ig8LJPHAnWcIgvh/EQxw0rtTkZXREZUBFOVCvjtJVBB1dtHK1tPwVNCCG6EIDd7VRv4Wg5bpTDGmlKbU0mQEYCtWkmYXKJK8U7irKiswb+aZ1gCIbfP2TRRblBaJRj0C8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=cFxzVeVV; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="cFxzVeVV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1726177796; h=from:from: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; bh=NFbDgk8oB3v3MPRY+piYm83FOIpNcrF6rflRXU47oJE=; b=cFxzVeVVwEyleaXeyf0CSXbMRNnGsrrSC7aNsAjyZI4iD7Af/Nvh2k3jWo/QWJ4bM8f4Y3 gWSIab2wPE41BYdltMuag2ztYRjSiLY2m8JWbQagt+VQQ81eR901D1FCPA/XNvAwEL8GXp pEXRG2ORGl4fVYexhFd8UM3YyhaXRAA= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-76-jSbDrFo5PeO0_-014P-EDg-1; Thu, 12 Sep 2024 17:49:52 -0400 X-MC-Unique: jSbDrFo5PeO0_-014P-EDg-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A6ED11955F56; Thu, 12 Sep 2024 21:49:51 +0000 (UTC) Received: from bmarzins-01.fast.eng.rdu2.dc.redhat.com (bmarzins-01.fast.eng.rdu2.dc.redhat.com [10.6.23.12]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 3804719560B8; Thu, 12 Sep 2024 21:49:51 +0000 (UTC) Received: from bmarzins-01.fast.eng.rdu2.dc.redhat.com (localhost [127.0.0.1]) by bmarzins-01.fast.eng.rdu2.dc.redhat.com (8.17.2/8.17.1) with ESMTPS id 48CLnnx8783882 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Thu, 12 Sep 2024 17:49:49 -0400 Received: (from bmarzins@localhost) by bmarzins-01.fast.eng.rdu2.dc.redhat.com (8.17.2/8.17.2/Submit) id 48CLnnxb783881; Thu, 12 Sep 2024 17:49:49 -0400 From: Benjamin Marzinski To: Christophe Varoqui Cc: device-mapper development , Martin Wilck Subject: [PATCH v2 08/22] multipathd: split check_path_state into two functions Date: Thu, 12 Sep 2024 17:49:33 -0400 Message-ID: <20240912214947.783819-9-bmarzins@redhat.com> In-Reply-To: <20240912214947.783819-1-bmarzins@redhat.com> References: <20240912214947.783819-1-bmarzins@redhat.com> Precedence: bulk X-Mailing-List: dm-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com check_path_state() is now split into start_path_check(), which calls path_sysfs_state() and if the path is up also calls start_checker(), and get_new_state() which gets the new state from either pp->sysfs_state or get_state(). Signed-off-by: Benjamin Marzinski --- multipathd/main.c | 30 +++++++++++++++++++----------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/multipathd/main.c b/multipathd/main.c index 33a57041..16c0531e 100644 --- a/multipathd/main.c +++ b/multipathd/main.c @@ -2314,25 +2314,31 @@ should_skip_path(struct path *pp){ return 0; } -static int -check_path_state(struct path *pp) +static void +start_path_check(struct path *pp) { - int newstate; struct config *conf; - newstate = path_sysfs_state(pp); - if (newstate == PATH_UP) { + if (path_sysfs_state(pp) == PATH_UP) { conf = get_multipath_config(); pthread_cleanup_push(put_multipath_config, conf); - newstate = PATH_UNCHECKED; - if (start_checker(pp, conf, 1, newstate) == 0) - newstate = get_state(pp); + start_checker(pp, conf, 1, PATH_UNCHECKED); pthread_cleanup_pop(1); } else { checker_clear_message(&pp->checker); condlog(3, "%s: state %s, checker not called", - pp->dev, checker_state_name(newstate)); + pp->dev, checker_state_name(pp->sysfs_state)); } +} + +static int +get_new_state(struct path *pp) +{ + int newstate = pp->sysfs_state; + struct config *conf; + + if (newstate == PATH_UP) + newstate = get_state(pp); /* * Wait for uevent for removed paths; * some LLDDs like zfcp keep paths unavailable @@ -2413,7 +2419,8 @@ do_check_path (struct vectors * vecs, struct path * pp) pp->checkint = checkint; }; - newstate = check_path_state(pp); + start_path_check(pp); + newstate = get_new_state(pp); if (newstate == PATH_WILD || newstate == PATH_UNCHECKED) return CHECK_PATH_SKIPPED; /* @@ -2752,7 +2759,8 @@ handle_uninitialized_path(struct vectors * vecs, struct path * pp, } } - newstate = check_path_state(pp); + start_path_check(pp); + newstate = get_new_state(pp); if (!strlen(pp->wwid) && (pp->initialized == INIT_FAILED || pp->initialized == INIT_NEW) &&