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=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 51D6BC4332E for ; Mon, 4 Jan 2021 15:01:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2FB2A22473 for ; Mon, 4 Jan 2021 15:01:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726396AbhADPBM (ORCPT ); Mon, 4 Jan 2021 10:01:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36498 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726189AbhADPBL (ORCPT ); Mon, 4 Jan 2021 10:01:11 -0500 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F12C6C06179A for ; Mon, 4 Jan 2021 07:00:05 -0800 (PST) Received: by mail-wm1-x333.google.com with SMTP id k10so18738054wmi.3 for ; Mon, 04 Jan 2021 07:00:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=zX8HfL31wQZp5jl2djKi9uuAu6EFw+BifBJL8TfPFYI=; b=iZ+iMncSyLwlAaQXDZtSclG1TAiabyBIgpxpm6gwMhtwbK9uLIPw0KJkoz4mOk9f0F rHnD2/9O68rmG8J+8w2HgaVnFZ5OEFNHNYLnPI+b1SbXBAU263EFyuSKd5cB4ybDV2Tk Q2Ucnog/Ug5GYE+l8FlOnNY6Dt/g0EgWKtnjA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=zX8HfL31wQZp5jl2djKi9uuAu6EFw+BifBJL8TfPFYI=; b=nduVNL9y4qO+otWSJEmVPWyLuTiEsu/m/UeMXM7ZbmuA+5Ots0+Ix15svwSMLIkPhs 2Nvnt+fimQgl/qf9jqADZgqw6VD9jgMND8L+MUOHrBuCeLSLKbUlsgjvzOEnMTAIQYir jFTLT+8kMXOykQUWc/hnLmyottDPrvETdqgNANKp8EAXrDfi3bIhblTLXKv7eB/3qHk2 /fgmAdujm4HZXOHPBot/4ZOVXOGvNKByKyFKTGyhdIWk9UU/wamuSYApbckwmOQk36S8 fPcbXlSdJUF/nunOBEXpPm3WnilWrbCFG1jkBibqHwLpR3ufsTj1YI5QWUkuFCGFgAt6 H0cA== X-Gm-Message-State: AOAM531Fo0VG3aZZaLBzGt+hzWRkL1TSK0GZ6cu/c9FtVwUSZZmjeXV0 mpTqTam5EWxk5YlmVTXDGimfKg== X-Google-Smtp-Source: ABdhPJyZ7mnenRW8F7aJHWIfVzmZOehv2AMU4Up9FryPAzuecSePdIqVbZnPsKBWirVBfeRygVofGw== X-Received: by 2002:a1c:9949:: with SMTP id b70mr26716903wme.72.1609772404590; Mon, 04 Jan 2021 07:00:04 -0800 (PST) Received: from dev.cfops.net (165.176.200.146.dyn.plus.net. [146.200.176.165]) by smtp.gmail.com with ESMTPSA id r1sm94445954wrl.95.2021.01.04.07.00.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Jan 2021 07:00:03 -0800 (PST) From: Ignat Korchagin To: agk@redhat.com, snitzer@redhat.com, dm-devel@redhat.com, dm-crypt@saout.de, linux-kernel@vger.kernel.org Cc: Ignat Korchagin , ebiggers@kernel.org, Damien.LeMoal@wdc.com, mpatocka@redhat.com, herbert@gondor.apana.org.au, kernel-team@cloudflare.com, nobuto.murata@canonical.com, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, linux-btrfs@vger.kernel.org, mail@maciej.szmigiero.name Subject: [PATCH v3 0/2] dm crypt: some fixes to support dm-crypt running in softirq context Date: Mon, 4 Jan 2021 14:59:46 +0000 Message-Id: <20210104145948.1857-1-ignat@cloudflare.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Changes from v1: * 0001: handle memory allocation failure for GFP_ATOMIC Changes from v2: * reordered patches * 0002: crypt_convert will be retried from a workqueue, when a crypto request allocation fails with GFP_ATOMIC instead of just returning an IO error to the user Ignat Korchagin (2): dm crypt: do not wait for backlogged crypto request completion in softirq dm crypt: use GFP_ATOMIC when allocating crypto requests from softirq drivers/md/dm-crypt.c | 138 +++++++++++++++++++++++++++++++++++++----- 1 file changed, 123 insertions(+), 15 deletions(-) -- 2.20.1