From patchwork Fri Jun 28 11:59:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Coly Li X-Patchwork-Id: 11022107 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E5CD9924 for ; Fri, 28 Jun 2019 12:02:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D7D0C28437 for ; Fri, 28 Jun 2019 12:02:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CC320287E5; Fri, 28 Jun 2019 12:02:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 78D2A28437 for ; Fri, 28 Jun 2019 12:02:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726860AbfF1MC1 (ORCPT ); Fri, 28 Jun 2019 08:02:27 -0400 Received: from mx2.suse.de ([195.135.220.15]:55284 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726807AbfF1MC1 (ORCPT ); Fri, 28 Jun 2019 08:02:27 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 92B87B636; Fri, 28 Jun 2019 12:02:26 +0000 (UTC) From: Coly Li To: axboe@kernel.dk Cc: linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, Coly Li Subject: [PATCH 34/37] bcache: remove retry_flush_write from struct cache_set Date: Fri, 28 Jun 2019 19:59:57 +0800 Message-Id: <20190628120000.40753-35-colyli@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190628120000.40753-1-colyli@suse.de> References: <20190628120000.40753-1-colyli@suse.de> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In struct cache_set, retry_flush_write is added for commit c4dc2497d50d ("bcache: fix high CPU occupancy during journal") which is reverted in previous patch. Now it is useless anymore, and this patch removes it from bcache code. Signed-off-by: Coly Li --- drivers/md/bcache/bcache.h | 1 - drivers/md/bcache/journal.c | 1 - drivers/md/bcache/sysfs.c | 5 ----- 3 files changed, 7 deletions(-) diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index cb268d7c6cea..35396248a7d5 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -706,7 +706,6 @@ struct cache_set { atomic_long_t reclaim; atomic_long_t flush_write; - atomic_long_t retry_flush_write; enum { ON_ERROR_UNREGISTER, diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 14a4e2c44de9..1218e3cada3c 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -447,7 +447,6 @@ static void btree_flush_write(struct cache_set *c) if (!btree_current_write(b)->journal) { mutex_unlock(&b->write_lock); /* We raced */ - atomic_long_inc(&c->retry_flush_write); goto retry; } diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index d62e28643109..701a386a954c 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -83,7 +83,6 @@ read_attribute(state); read_attribute(cache_read_races); read_attribute(reclaim); read_attribute(flush_write); -read_attribute(retry_flush_write); read_attribute(writeback_keys_done); read_attribute(writeback_keys_failed); read_attribute(io_errors); @@ -709,9 +708,6 @@ SHOW(__bch_cache_set) sysfs_print(flush_write, atomic_long_read(&c->flush_write)); - sysfs_print(retry_flush_write, - atomic_long_read(&c->retry_flush_write)); - sysfs_print(writeback_keys_done, atomic_long_read(&c->writeback_keys_done)); sysfs_print(writeback_keys_failed, @@ -936,7 +932,6 @@ static struct attribute *bch_cache_set_internal_files[] = { &sysfs_cache_read_races, &sysfs_reclaim, &sysfs_flush_write, - &sysfs_retry_flush_write, &sysfs_writeback_keys_done, &sysfs_writeback_keys_failed,