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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 C1D36ECDE20 for ; Wed, 11 Sep 2019 08:23:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9E5022085B for ; Wed, 11 Sep 2019 08:23:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727137AbfIKIXu convert rfc822-to-8bit (ORCPT ); Wed, 11 Sep 2019 04:23:50 -0400 Received: from mail-wm1-f66.google.com ([209.85.128.66]:53360 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726018AbfIKIXu (ORCPT ); Wed, 11 Sep 2019 04:23:50 -0400 Received: by mail-wm1-f66.google.com with SMTP id q18so2318168wmq.3; Wed, 11 Sep 2019 01:23:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=7iC288htQQShWEzvGgwOYDZwehD1Nka894QH5xX/9cI=; b=bIbVJ5HE3gQwAEeK7mWeYFOcSozt87POGxCQbIw99379d/CS8fd7gOBXclZT7GirQs LWdvwP9jjdSwcjKBhXSKSfzTwdG0Ish3sE8Lm92vmhEnm7uNMCyh9dXl+3redKxjB01O GY2WhQdkZu8qo+ELm2+jWK8LRDHF8DKrYHPW0hMgmeOiktLLbNuKm5dH7x+KVpk/btU/ dHu5EqbspB4t5tN+XpuQKEAN6fi9EDPuIyS6G4BksWB+jDID3/jZ7SCb2bjcbw1t1/EO TPrDdhPY9y1YqqJkAzhVTL23VNHkJFDXrUfS9yARhahPK1vzfRtNJSeWej33Iy6MhRDK yDpQ== X-Gm-Message-State: APjAAAUn8vBYPcXEDyJzjyMm3dbVvFwmvuHlgaRfGKqU/9VTlUMZ4CPe /1HNL/UhNgV1UZ1lTAh0WMmmCjWjc7c= X-Google-Smtp-Source: APXvYqzUwDcbcQE58BGg+dWRNRxA/vR89ms+O87wrc5oL3XiHLhR8v5MoMDUEg0gRuW1m/BiGRujoA== X-Received: by 2002:a1c:1d8d:: with SMTP id d135mr2959578wmd.7.1568190227313; Wed, 11 Sep 2019 01:23:47 -0700 (PDT) Received: from [10.0.4.250] (195-23-252-147.net.novis.pt. [195.23.252.147]) by smtp.gmail.com with ESMTPSA id s1sm30205463wrg.80.2019.09.11.01.23.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Sep 2019 01:23:46 -0700 (PDT) Subject: Re: [RFC PATCH] Add proc interface to set PF_MEMALLOC flags To: Mike Christie , axboe@kernel.dk, James.Bottomley@HansenPartnership.com, martin.petersen@oracle.com, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-block@vger.kernel.org References: <20190909162804.5694-1-mchristi@redhat.com> From: Bart Van Assche Message-ID: <3e32b453-0350-0a09-9b1b-b0c49e2609df@acm.org> Date: Wed, 11 Sep 2019 09:23:45 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190909162804.5694-1-mchristi@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8BIT Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 9/9/19 5:28 PM, Mike Christie wrote: > There are several storage drivers like dm-multipath, iscsi, and nbd that > have userspace components that can run in the IO path. For example, > iscsi and nbd's userspace deamons may need to recreate a socket and/or > send IO on it, and dm-multipath's daemon multipathd may need to send IO > to figure out the state of paths and re-set them up. > > [ ... ] Should the linux-api mailing list be Cc-ed for a patch like this one? See also https://www.kernel.org/doc/man-pages/linux-api-ml.html. Thanks, Bart.