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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,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 56BF9C48BC2 for ; Sun, 27 Jun 2021 07:18:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 26F12619B6 for ; Sun, 27 Jun 2021 07:18:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229526AbhF0HVE (ORCPT ); Sun, 27 Jun 2021 03:21:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229507AbhF0HVD (ORCPT ); Sun, 27 Jun 2021 03:21:03 -0400 Received: from mail-pf1-x42e.google.com (mail-pf1-x42e.google.com [IPv6:2607:f8b0:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE38FC061574; Sun, 27 Jun 2021 00:18:38 -0700 (PDT) Received: by mail-pf1-x42e.google.com with SMTP id 21so11341799pfp.3; Sun, 27 Jun 2021 00:18:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=o2RTwwA9HFMbyfvHGvytJ5gvIkJZ8nO4DDEa5RPOVbk=; b=jBwex78p2XOU43ABZgl9o+a+y2ZXCR4aCFcdHRb1o/z0hBSW3i/2oApsc9FVmVBuQk +fpRiEGMdtLY3gDks0LXeEssK9N2SoKtkj+Hvwf/b715XcpQk2LwpFyOTi24Ilf/9xb4 9M15ARBeBi8VuhCDciqFIPcQWurM+xefCEvUHRWp2nF0uk/u1Y5U4bZkzHqNDh6mJED0 Ekfhde9eLL/alPNNCLerp+OpieBXm9LQs3p/FyBluclkwHOvjRHpB45ntRLeKkZS6I2L 87vh34qEKK+Bl/KA+P7Dw78mvh4WXY/T5RmGxKXrNi1OGpi7fEkNssojkIAtOsyeUJr/ nK5Q== 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=o2RTwwA9HFMbyfvHGvytJ5gvIkJZ8nO4DDEa5RPOVbk=; b=MlUyiSpckmlhr8GvRGsyV2tpYwvzOaZWB+/XR6uJTijTckUnBOyuCcpYlMDLn+1NWh JL2HfowzUi36fxzyI4nxsigBB6rPMljDjA67+fGl5e1GQ3J2rIbJpJwwbXVMaHBhPTl8 w6s78WhmqXG8g2shZZgrXk/v+ziyb/E9+X58UsSAqvmlaJMqDV5b4g2r1kVeTvb0US4d 92js7b8xyypAOvlCyKbc7BOuo7INEXYp6OurRZRIy8HYaY02uaLP36pNdnPFxPYitwgp HFVSgyIcukb18cZP21hJJ8cyJlhy3C02CswnKqTlGVDTVHZjfqULidYRAlpf82paoWL6 IOAA== X-Gm-Message-State: AOAM532Ds7lYnnxDLvQhH+VLpeRj3HHVKF9s+PL1AcOFF2rj+Hnau4vD cyus6qAure9dpmhvHqwfBgQ= X-Google-Smtp-Source: ABdhPJw9jjePxfrxOpqZB+kjTkjZn3EsF9+SLT0CwQea533wwWaK1OXq2qvVXCXYR1mtBU1jOmHCDw== X-Received: by 2002:a63:34a:: with SMTP id 71mr17310239pgd.305.1624778318143; Sun, 27 Jun 2021 00:18:38 -0700 (PDT) Received: from localhost.localdomain (v133-18-170-192.vir.kagoya.net. [133.18.170.192]) by smtp.gmail.com with ESMTPSA id u23sm11691103pgk.38.2021.06.27.00.18.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Jun 2021 00:18:37 -0700 (PDT) From: Qiang Bai To: colyli@suse.de, kent.overstreet@gmail.com Cc: linux-bcache@vger.kernel.org, linux-kernel@vger.kernel.org, Qiang Bai Subject: [PATCH] bcache: fix cache miss's issue Date: Sun, 27 Jun 2021 15:18:17 +0800 Message-Id: <20210627071817.24296-1-chiang.bai@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org when cache miss's IO was done, it needs to continue the left part of IO, not return -EINTR. -EINTR will stop the whole btree recurse. Signed-off-by: Qiang Bai --- drivers/md/bcache/request.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 29c231758293..b6ff101d2611 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -914,7 +914,7 @@ static int cached_dev_cache_miss(struct btree *b, struct search *s, miss = bio_next_split(bio, sectors, GFP_NOIO, &s->d->bio_split); /* btree_search_recurse()'s btree iterator is no good anymore */ - ret = miss == bio ? MAP_DONE : -EINTR; + ret = miss == bio ? MAP_DONE : MAP_CONTINUE; cache_bio = bio_alloc_bioset(GFP_NOWAIT, DIV_ROUND_UP(s->insert_bio_sectors, PAGE_SECTORS), -- 2.31.1