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=-6.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,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 C32D1C43441 for ; Sun, 11 Nov 2018 23:38:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8966920818 for ; Sun, 11 Nov 2018 23:38:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="BpvWBUoC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8966920818 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388330AbeKLJ2h (ORCPT ); Mon, 12 Nov 2018 04:28:37 -0500 Received: from mail.kernel.org ([198.145.29.99]:41934 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730015AbeKLITv (ORCPT ); Mon, 12 Nov 2018 03:19:51 -0500 Received: from localhost (unknown [206.108.79.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CE7E722360; Sun, 11 Nov 2018 22:29:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1541975395; bh=qCj6gan9hzBAV6KrmKnmek6xbJSbPkJvAVNbZ7IPzeM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BpvWBUoC+cRR9ylBpXVGa9XHEYpSHHdwygETpT4iZOTbyIBCVkRJ0YaboZpGdzckv OunlCTIG2LJ7D/VlNDTrS/VlPtDy9N2vaWCBByiIlzwgLzt2nlZNSxGqFBCtM2C/Wm X/RAbgUdVsmrXReQMCp6vE9fG2VLysix1LUu23iE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ben Peddell , Coly Li , Jens Axboe , Sasha Levin Subject: [PATCH 4.18 082/350] bcache: Populate writeback_rate_minimum attribute Date: Sun, 11 Nov 2018 14:19:06 -0800 Message-Id: <20181111221710.552278055@linuxfoundation.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181111221707.043394111@linuxfoundation.org> References: <20181111221707.043394111@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ben Peddell [ Upstream commit 7567c2a2ad9e80a2ce977eef535e64b61899633e ] Forgot to include the maintainers with my first email. Somewhere between Michael Lyle's original "bcache: PI controller for writeback rate V2" patch dated 07 Sep 2017 and 1d316e6 bcache: implement PI controller for writeback rate, the mapping of the writeback_rate_minimum attribute was dropped. Re-add the missing sysfs writeback_rate_minimum attribute mapping to "allow the user to specify a minimum rate at which dirty blocks are retired." Fixes: 1d316e6 ("bcache: implement PI controller for writeback rate") Signed-off-by: Ben Peddell Signed-off-by: Coly Li Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/md/bcache/sysfs.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -263,6 +263,7 @@ STORE(__cached_dev) 1, WRITEBACK_RATE_UPDATE_SECS_MAX); d_strtoul(writeback_rate_i_term_inverse); d_strtoul_nonzero(writeback_rate_p_term_inverse); + d_strtoul_nonzero(writeback_rate_minimum); sysfs_strtoul_clamp(io_error_limit, dc->error_limit, 0, INT_MAX); @@ -389,6 +390,7 @@ static struct attribute *bch_cached_dev_ &sysfs_writeback_rate_update_seconds, &sysfs_writeback_rate_i_term_inverse, &sysfs_writeback_rate_p_term_inverse, + &sysfs_writeback_rate_minimum, &sysfs_writeback_rate_debug, &sysfs_errors, &sysfs_io_error_limit,