From patchwork Tue Sep 15 15:18:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11778191 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 93C5F618 for ; Tue, 15 Sep 2020 22:54:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 784A720770 for ; Tue, 15 Sep 2020 22:54:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="vkcvNvrA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727563AbgIOWyf (ORCPT ); Tue, 15 Sep 2020 18:54:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43302 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727407AbgIOP10 (ORCPT ); Tue, 15 Sep 2020 11:27:26 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25649C061788; Tue, 15 Sep 2020 08:27:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=Y4tkWtiLArM5ZtpwjGyv2ND3RgxFSGIzR5QDPUf60TY=; b=vkcvNvrAlfkpjgC6PLHdCcE+Rt rVJhEc5LvegHmwyCNl+Jp1ZvzkxadlEJeRvmlI+paiq2Xw90Vk1EKkFLuOLon9UBw7bf5O+d1APq9 lUfd4Ij5H9rc6mwCtjWSocnPHXmDvPMY1jXFvzyo/ohoQjxH3pNyLhn93bHHi4S8FJYokwjh7afBg VdnV6ovjwCi6bz7tc9Dsp5emWgQsT/+RvvI2EIEN7ME6GaruCkOpQBu3l2bgNoLkB273IebNiu4L1 Eiq/0XQ/xTWB36/gDGzmAL3gAHWN+XRKtB5xAzCQGf2SajsuwNGzkL5FmdrT+wuay5vKexMNetnWk l0MLo90Q==; Received: from 089144214092.atnat0023.highway.a1.net ([89.144.214.92] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kICrS-0001S0-U3; Tue, 15 Sep 2020 15:27:17 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Song Liu , Hans de Goede , Richard Weinberger , Minchan Kim , Johannes Thumshirn , linux-mtd@lists.infradead.org, dm-devel@redhat.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, drbd-dev@lists.linbit.com, linux-raid@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, Johannes Thumshirn Subject: [PATCH 03/12] drbd: remove RB_CONGESTED_REMOTE Date: Tue, 15 Sep 2020 17:18:20 +0200 Message-Id: <20200915151829.1767176-4-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200915151829.1767176-1-hch@lst.de> References: <20200915151829.1767176-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org This case isn't ever used. Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn --- drivers/block/drbd/drbd_req.c | 4 ---- include/linux/drbd.h | 1 - 2 files changed, 5 deletions(-) diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 5c975af9c15fb8..481bc34fcf386a 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -901,13 +901,9 @@ static bool drbd_may_do_local_read(struct drbd_device *device, sector_t sector, static bool remote_due_to_read_balancing(struct drbd_device *device, sector_t sector, enum drbd_read_balancing rbm) { - struct backing_dev_info *bdi; int stripe_shift; switch (rbm) { - case RB_CONGESTED_REMOTE: - bdi = device->ldev->backing_bdev->bd_disk->queue->backing_dev_info; - return bdi_read_congested(bdi); case RB_LEAST_PENDING: return atomic_read(&device->local_cnt) > atomic_read(&device->ap_pending_cnt) + atomic_read(&device->rs_pending_cnt); diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 5755537b51b114..6a8286132751df 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -94,7 +94,6 @@ enum drbd_read_balancing { RB_PREFER_REMOTE, RB_ROUND_ROBIN, RB_LEAST_PENDING, - RB_CONGESTED_REMOTE, RB_32K_STRIPING, RB_64K_STRIPING, RB_128K_STRIPING,