From patchwork Mon Oct 18 13:55:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sebastian Andrzej Siewior X-Patchwork-Id: 12566565 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 86AC3C43217 for ; Mon, 18 Oct 2021 13:58:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B1C561350 for ; Mon, 18 Oct 2021 13:58:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234613AbhJROAl (ORCPT ); Mon, 18 Oct 2021 10:00:41 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:38716 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234718AbhJRN6h (ORCPT ); Mon, 18 Oct 2021 09:58:37 -0400 From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1634565384; 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; bh=TNy5fx37MKIeMOmCqNas0TQAO/g1wIjjEHw3s3354RM=; b=tbHm/3mZsoyFzzgrDd6ThmBzgj3iwkXMY+JcrlNNSqJoE5jU1Xr9kc2jA+Lr73U+ZmDrZw qsyDl8CCJzkXoOOZJA8SO8jsvgWyipkoY0GyV4t7nEcT7HY0cQsnLfpeTdVS8QEw965+Ge Db8UJ/oYE9tiGm9nbr6oYoYxTmyNa+fuMif0Ff8Y54kgL447cQ8wYWkdc0QH6uoZRTavvL etZlVX/oLJmzR07VI2LMRNp4ReWDlCcyMwXMR8trGs05BQkQEofpDPBI6+5fNvrK/BEpQP R5x9zzd3K2VboF0lOCzQLr2vBoYeSv0kLbbouXvoyTjrigeib2d2opgALRckXQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1634565384; 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; bh=TNy5fx37MKIeMOmCqNas0TQAO/g1wIjjEHw3s3354RM=; b=jeY8lzsUIPx3h6DIxAYPeBZJMkr0rVjt+7UjB+skHHFpDt2h1EVdobD4tcTPEzYGnis2Iy 6YL2l2Bm/CbO8fAA== To: linux-block@vger.kernel.org, linux-mmc@vger.kernel.org Cc: tglx@linutronix.de, Ulf Hansson , Jens Axboe , Christoph Hellwig Subject: [PATCH v2 0/2] blk-mq: Allow to complete requests directly Date: Mon, 18 Oct 2021 15:55:57 +0200 Message-Id: <20211018135559.244400-1-bigeasy@linutronix.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org v1…v2: - Drop the SCSI patch for now. - Make blk_mq_complete_request_direct() call the completion handler directly instead going through struct chain (Jens and hch might had the same in mind). This series converts a part from the MMC layer which completes the requests from kworker/ preemptible context. Its intention is to avoid going through the softirq stack in preemptible context which would involve the ksoftirqd in this case. Sebastian