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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6FABC433EF for ; Wed, 20 Oct 2021 15:27:11 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 816F86135F for ; Wed, 20 Oct 2021 15:27:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 816F86135F Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1634743630; h=from:from:sender:sender:reply-to: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=5X9731iYZ4EWKKQ9rM3vNHpPqftXuwaI/KstyaS37hc=; b=Xvkc1FmFV0kBmm8jc+VFMdFjF/VTEQGxGLpmj7K1Bt0LoRMJ8+1fR3tLA6IRS/hFAHjGUu hZvF2A21/Xb3dkWd9HRe2yoHHpdazISq7yiyZ0q6rUuPYt+NqTtnnF4N6b8bTha4upMrVn R3RWGsGNdsb9Fciyk9/F5q4X1xetIqw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-528-cFxbf2CMP--wSjciZbPYTw-1; Wed, 20 Oct 2021 11:27:07 -0400 X-MC-Unique: cFxbf2CMP--wSjciZbPYTw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BE2948066F5; Wed, 20 Oct 2021 15:27:00 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9926B5BB0D; Wed, 20 Oct 2021 15:26:57 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 0CC6D4ED2B; Wed, 20 Oct 2021 15:26:49 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 19KEosix032407 for ; Wed, 20 Oct 2021 10:50:54 -0400 Received: by smtp.corp.redhat.com (Postfix) id 1D5E919D9F; Wed, 20 Oct 2021 14:50:54 +0000 (UTC) Received: from redhat.com (unknown [10.15.80.136]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 7920A19D9B; Wed, 20 Oct 2021 14:50:48 +0000 (UTC) Date: Wed, 20 Oct 2021 09:50:46 -0500 From: David Teigland To: Martin Wilck Message-ID: <20211020145046.GA22742@redhat.com> References: <20210608122901.o7nw3v56kt756acu@alatyr-rpi.brq.redhat.com> <20210909194417.GC19437@redhat.com> <20210927100032.xczilyd5263b4ohk@alatyr-rpi.brq.redhat.com> <20210927153822.GA4779@redhat.com> <20210929213952.ws2qpmedaajs5wlx@alatyr-rpi.brq.redhat.com> <20210930155542.GB32174@redhat.com> <418b2bd497a3a4cd76840b3cceb1955ba7e9ba01.camel@suse.com> <20211018150418.GA3917@redhat.com> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.8.3 (2017-05-23) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-loop: linux-lvm@redhat.com Cc: "bmarzins@redhat.com" , "zkabelac@redhat.com" , "prajnoha@redhat.com" , "linux-lvm@redhat.com" , Heming Zhao Subject: Re: [linux-lvm] Discussion: performance issue on event activation mode X-BeenThere: linux-lvm@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-lvm-bounces@redhat.com Errors-To: linux-lvm-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=linux-lvm-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable On Wed, Oct 20, 2021 at 02:40:25PM +0000, Martin Wilck wrote: > > I began trying to use RUN several months ago and I think I gave up > > trying to find a way to pass values from the RUN program back into the > > udev rule (possibly by writing values to a temp file and then doing > > IMPORT{file}).=A0 >=20 > That can't work, because RUN is executed *after* all rules have been > processed. That's documented in the man page. I don't quite understand > what you're trying to achieve. I was just providing some background history after you and Peter both mentioned the idea of using RUN instead of IMPORT. That is, I gave up trying to use RUN many months ago because it wouldn't work, while IMPORT actually does what we need, to produce the vgname variable inside the rule. _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/