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=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 709B9C4741F for ; Wed, 4 Nov 2020 09:49:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A72F221F9 for ; Wed, 4 Nov 2020 09:49:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JC48eaF+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728899AbgKDJtO (ORCPT ); Wed, 4 Nov 2020 04:49:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728607AbgKDJtM (ORCPT ); Wed, 4 Nov 2020 04:49:12 -0500 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20E73C061A4D for ; Wed, 4 Nov 2020 01:49:12 -0800 (PST) Received: by mail-wm1-x343.google.com with SMTP id 205so1698873wma.4 for ; Wed, 04 Nov 2020 01:49:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=HRRIJgk/zWJ4ZCBL2Kbxl4BCQyn4rhE91KyNlOJr9Ug=; b=JC48eaF+fFQO+zggUay5zvmqIDqRxpk5keTaEyCOVv/L1U880N0QxAym6iSpk4yI0T m7b/71PLHzEN5NztOrktUmaeKrr2CaGOsW2oP38IVG5H5OOOmzYSp4suJr/TZ4uvftLd GINp++kMMXC71n09+lBO/PZ4redK5e7Jp9sH1I77g0TjkyB6bfvxZLH2l8xth41IOaVF eT3DdxFfNJihNU4cdPuOYJH9ElMUNPt6c7XdrECOJ9dl0kz0iwQe3IBKR5da5Cdzizdm deV5Z2tL/RLzVW3V9SRYv4oTVTmpciEhnbqGuJsoPDTyXk/V5znSxk8bdypOyZOCrCv8 SMYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HRRIJgk/zWJ4ZCBL2Kbxl4BCQyn4rhE91KyNlOJr9Ug=; b=rnrHISE1vM+ynpaQNapjEXTLZqQ4NHjUcsiRKqqJrOTNIqqKDfmRafmzSEXKLjJ0Ii Lv4GRymjK9zK7VuMZoG5YIkMaqwEMO28TshAPR3j2QVpNXSYTOOp1b4/gtfOKPszZxeR 0FZr8jeDwXemmMQantlgVDEDY+XdS+A7JnnhMeYk4niauRzrYd0KIOuwO2FcTwfJw6kC eoOw6eNvpd9jy88H2NxigGFfkvcNJHeH52yccOt3LFffuoeJcJJomPN3zu3VoaET1+Ln kRVwvUKP47QOLSWtsroD9GsIjPHtsZVI84thwBYGh4hGyWBqugJOrWqnQbACAiSDjSOw tFIw== X-Gm-Message-State: AOAM532KAM4HgtDCWrllOVCPmegyDm0MGnJvAd1AtOpp3s5xbH+OcNh2 ganiobsSgorzd4NYJlS33sI= X-Google-Smtp-Source: ABdhPJxI3WJnbVhHFijpWYozDazwQZA1GOJ+nRWQ7hVTAl686Si3vi3HTDWqpwWFXVZj2sXuOS4HKw== X-Received: by 2002:a1c:1b85:: with SMTP id b127mr3789978wmb.163.1604483350881; Wed, 04 Nov 2020 01:49:10 -0800 (PST) Received: from localhost.localdomain (host109-152-100-228.range109-152.btcentralplus.com. [109.152.100.228]) by smtp.gmail.com with ESMTPSA id 3sm1478081wmd.19.2020.11.04.01.49.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 01:49:10 -0800 (PST) From: Pavel Begunkov To: Chris Mason , Josef Bacik , David Sterba , linux-btrfs@vger.kernel.org Subject: [PATCH 4/4] btrfs: discard: reschedule work after param update Date: Wed, 4 Nov 2020 09:45:54 +0000 Message-Id: <6114f7d2699147186adf70c4e82a9a22de7a78aa.1604444952.git.asml.silence@gmail.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org After sysfs updates discard's iops_limit or kbps_limit it also needs to adjust current timer through rescheduling, otherwise the discard work may wait for a long time for the previous timer to expier or bumped by someone else. Signed-off-by: Pavel Begunkov --- fs/btrfs/sysfs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 279d9262b676..65410d3939f2 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -433,7 +433,8 @@ static ssize_t btrfs_discard_iops_limit_store(struct kobject *kobj, return -EINVAL; WRITE_ONCE(discard_ctl->iops_limit, iops_limit); - + btrfs_discard_calc_delay(discard_ctl); + btrfs_discard_schedule_work(discard_ctl, true); return len; } BTRFS_ATTR_RW(discard, iops_limit, btrfs_discard_iops_limit_show, @@ -463,7 +464,7 @@ static ssize_t btrfs_discard_kbps_limit_store(struct kobject *kobj, return -EINVAL; WRITE_ONCE(discard_ctl->kbps_limit, kbps_limit); - + btrfs_discard_schedule_work(discard_ctl, true); return len; } BTRFS_ATTR_RW(discard, kbps_limit, btrfs_discard_kbps_limit_show, -- 2.24.0