From patchwork Wed Dec 30 21:45:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ignat Korchagin X-Patchwork-Id: 11993719 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=-13.8 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=ham 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 D8E5EC433DB for ; Wed, 30 Dec 2020 21:47:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 933012074D for ; Wed, 30 Dec 2020 21:47:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726514AbgL3Vql (ORCPT ); Wed, 30 Dec 2020 16:46:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726356AbgL3Vql (ORCPT ); Wed, 30 Dec 2020 16:46:41 -0500 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33908C061575 for ; Wed, 30 Dec 2020 13:45:56 -0800 (PST) Received: by mail-wm1-x334.google.com with SMTP id c124so6009045wma.5 for ; Wed, 30 Dec 2020 13:45:56 -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=/kbVtG9+aGsr44Zrtbqkbn+LIP6L6fp4kSH2R8701XE=; b=Cr1Y17z/exiurhuFY6Pbw763XwbO2cQtAmhdoKUuvXpfxnQ2AJlJxQnN8tZcPVfvwI BBlsVX/TWEBzgPFF5+Uf2aMsMP//MxFjBRv3fYLtv4sdYc83z0bRB0rTzMnXBv6oeCVI ss+pYhxZ2KcPMItt+ZnzcDzRo78F4xr/xO1J4= 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=/kbVtG9+aGsr44Zrtbqkbn+LIP6L6fp4kSH2R8701XE=; b=h3hxZndpgDM6QAsQLVVwVXudW0AMQztSUDdX939XZsc2nPjr0L6ZUHYBqB0Rmda0OD vB3ufyAIJiMXAG5OffQgeqK2PT4oyG5W6C6Vy7mjoyt1whwQIO0X2W3CUI8cTCUuvE2a qosiB4aPiqgqiCAAu/e0/EJHcUx7vKZs0apTyn7boPEuVqEn6mgZ7coGu2h3A6ZBUjPA YmGbJhZotJCuHNS88rDVN9POjtv6TamtpQNIJDz4m8S0UnU3S4VcxAzyJOMoY0X313LH urLAbgCqdbTpJqn7AmDVwOiwFgGF22DrL9yEs6atAKKUIBy1Tzm+HFOYhr++fyxMZ9bw g5tw== X-Gm-Message-State: AOAM530AqrefcIfqxMYaMbqUCQeigO/PxTNTf4DpZiw9on5PboHEM7Qn 1UeYIQ+JtShcnMA0gKawaUZU2g== X-Google-Smtp-Source: ABdhPJwmWH9sv8kVx66i/Zig3WzfuPqiSDd5ysSSfSorYVgQ2t4wrzU0rEZtrhkOUVb/l94N+FDjPw== X-Received: by 2002:a7b:cb09:: with SMTP id u9mr9373821wmj.61.1609364754774; Wed, 30 Dec 2020 13:45:54 -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 r7sm8749894wmh.2.2020.12.30.13.45.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Dec 2020 13:45:53 -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 v2 0/2] dm crypt: some fixes to support dm-crypt running in softirq context Date: Wed, 30 Dec 2020 21:45:18 +0000 Message-Id: <20201230214520.154793-1-ignat@cloudflare.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Changes from v1: 0001: Handle memory allocation failure for GFP_ATOMIC Ignat Korchagin (2): dm crypt: use GFP_ATOMIC when allocating crypto requests from softirq dm crypt: do not wait for backlogged crypto request completion in softirq drivers/md/dm-crypt.c | 135 +++++++++++++++++++++++++++++++++++++----- 1 file changed, 120 insertions(+), 15 deletions(-)