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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E7A3C4332F for ; Mon, 28 Mar 2022 11:18:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240586AbiC1LU3 (ORCPT ); Mon, 28 Mar 2022 07:20:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54184 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240580AbiC1LUR (ORCPT ); Mon, 28 Mar 2022 07:20:17 -0400 Received: from mail-lf1-x131.google.com (mail-lf1-x131.google.com [IPv6:2a00:1450:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB0E355741 for ; Mon, 28 Mar 2022 04:18:31 -0700 (PDT) Received: by mail-lf1-x131.google.com with SMTP id w7so24106725lfd.6 for ; Mon, 28 Mar 2022 04:18:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=openvz-org.20210112.gappssmtp.com; s=20210112; h=subject:from:to:date:message-id:in-reply-to:references:user-agent :mime-version:content-transfer-encoding; bh=CQb3mBxSCWM+ulf0NN0OcDqev6TRbJ0Ip390Rr+PwxE=; b=ObfXCKoqDrHaLfhDGBh1SKtdZKCDFq8ONsWFdRwrSCMeiztkQz2bXqiHkkDqdGts7W rYYbKlrjBYViG3Hm2pJFR7bt48aReyKqgTir+0yktFtUZGJ0/8iibcLqW6Iby860hdFk TNPqSYyNGxCnT6QfbMHPtmrxQWx6ZKJsxiYPHJjpv4jVOWveqqkUgH2fnjUtwrEXJORc cgoJuuqqabZjDkeh9CbMBPIYLvX6CX0Uq/yL8sSJtCt7zFcnWlIxrAX1mLT57VviLF2G DVXTdlkdIMkPKY4jZd3FgGwWNW5GXbnqLGcL3IBmornpUz/kq85Y98fCZNy+o6ZtXCXi 5bwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:from:to:date:message-id:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=CQb3mBxSCWM+ulf0NN0OcDqev6TRbJ0Ip390Rr+PwxE=; b=zwnwWCQRwRqM9QW3QZL8PFi7q/xSxRHxgcR0bUAbPEPjt+t4kc77exGcWh0FyWdxTu 10J3nK2pzNsiA7L336bdT8H+VMcpSo8gKIDL1+U1XgGDsvA5KH8w0efkXtABj+1/Qg4H fjVT4c5ftvDbI/gwpfRD2kfaKYtmCa/MNx9AiQNEdF6gVZJUsgQKhx3Rpnk28NkPpEUc XDWFjTpxMni9n3C5jZgU54d8n8i8sWhrvgs7fAsy/UG4iUKzL0XUiaXIvpDdRhrWUtLW Ax/417HbVWf0oq4prIpv2I0zMrVwkY5KNf1dLCheNHRAwllFXvT+K9A9FTHYUeTBlJlO bV0w== X-Gm-Message-State: AOAM531kF9RWdGvehIHx3EiET7l2ed0P69rvWRDQT/a3QqiSYeeLRiit KgI2+P+XpaAx6h0w2xhmAUwNag== X-Google-Smtp-Source: ABdhPJzC9I5iTmkp1bV3jvbqseRJhFE1aB29rKJ9JSfKooecWBKUfY8aJyGzmUFdJjF2jaH2tVLXbw== X-Received: by 2002:a05:6512:1156:b0:44a:1027:e505 with SMTP id m22-20020a056512115600b0044a1027e505mr19494729lfg.88.1648466310213; Mon, 28 Mar 2022 04:18:30 -0700 (PDT) Received: from [127.0.1.1] ([2.92.192.17]) by smtp.gmail.com with ESMTPSA id f3-20020a056512228300b0044a0e0a609bsm1605694lfu.38.2022.03.28.04.18.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Mar 2022 04:18:29 -0700 (PDT) Subject: [PATCH 2/4] dm: Process .io_hints for drivers not having underlying devices From: Kirill Tkhai To: agk@redhat.com, snitzer@redhat.com, dm-devel@redhat.com, song@kernel.org, linux-kernel@vger.kernel.org, khorenko@virtuozzo.com, kirill.tkhai@openvz.org Date: Mon, 28 Mar 2022 14:18:29 +0300 Message-ID: <164846630905.251310.11706161266244591219.stgit@pro> In-Reply-To: <164846619932.251310.3668540533992131988.stgit@pro> References: <164846619932.251310.3668540533992131988.stgit@pro> User-Agent: StGit/1.5 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This makes dm_calculate_queue_limits() sets the hints also for drivers, which do not have underlying devices. This is useful for dm-qcow2 driver, that wants to have incomming requests are likely splitted by QCOW2 cluster size alignment. Signed-off-by: Kirill Tkhai --- drivers/md/dm-table.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index e43096cfe9e2..aa2e85bef6e7 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1660,8 +1660,11 @@ int dm_calculate_queue_limits(struct dm_table *table, ti = dm_table_get_target(table, i); - if (!ti->type->iterate_devices) + if (!ti->type->iterate_devices) { + if (ti->type->io_hints) + ti->type->io_hints(ti, &ti_limits); goto combine_limits; + } /* * Combine queue limits of all the devices this target uses.