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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 904D3C433ED for ; Fri, 21 May 2021 06:08:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5BE5D613BB for ; Fri, 21 May 2021 06:08:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232531AbhEUGKE (ORCPT ); Fri, 21 May 2021 02:10:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231224AbhEUGIw (ORCPT ); Fri, 21 May 2021 02:08:52 -0400 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E68E5C061574; Thu, 20 May 2021 23:07:28 -0700 (PDT) Received: by mail-pg1-x52a.google.com with SMTP id 27so12122442pgy.3; Thu, 20 May 2021 23:07:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=PUAwe7z2INATtYcfD83zTSIPkMgwdGGQMjVc8v5Lil4=; b=WIbeOp4S2aqnx4XsSExMR+dhKwalXxtFGvkfdu9TP7GFr7HfpPiOX9mp4ayJsOaC9K pbbmAfEqyS5O0HA7iYuAv0TX7t26duCviI5+HoRXt4xv7NXTndzUSZUoRz+hqOSQAQeq q2cHFud4EunrkRR6DmcYUGui8T1uUwPauaKvlSviEsBpb+bFQ3OOzoRKFZrFggf6IlVC Ucymo/DqssqIac9ss/s6Gwac2FAndz+3NfotVOeld6pI0osV/+rjj0gsjOdOhOJAa7Oh bsp0WOPasLsPSXmIyrIaWRxALrAksgp7DkG7m2gLovpHmsXz0L2gwoAyg0PNV45RzAmz 0+9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=PUAwe7z2INATtYcfD83zTSIPkMgwdGGQMjVc8v5Lil4=; b=JhteJEpE8YDi3pcnDZ8yH71ua1+Zd5y5x6EHqXbv/y9AXcICzzb+buL1uWjhFUo5zv cOie0jol++awZfjDMK2A57GBJxJfQjTSeN21KE63YxRclyRE1JmVagHfLGyQFjif0dNB uaI85jCnbv27ExljDoQSGqwbn8rzL9YSktk9avGhHGasIVfHMk0K9q+xZnR3ctMJUC4N +q/PEKn+8kLc5sE2mbShhQLTynmKJqYx5B+4Db9RYoF7liskfurN7Y6rsGES/WqFJuFH jUjh4nwTpvbjVIXWDqHovzQWZwo284Yv9sUBZyXmUnVabGkxy2rU7a2Wmig8LIiG5Y7q Rzaw== X-Gm-Message-State: AOAM533vaOyoLA/O1s4R+sT4KnB1vRVYqiFPOkPs4qy+/3PQRQ6Q1P7c 3KBNAUI4vDCZR3VaGTtX7+k= X-Google-Smtp-Source: ABdhPJz+LBV3lvzMoJzg1w1HatzdXU+k4aTYpDNH8M9egmVDm51nbSxFuavyvTtVOx1HL1IaZe8F/Q== X-Received: by 2002:a63:cd01:: with SMTP id i1mr5347208pgg.294.1621577248395; Thu, 20 May 2021 23:07:28 -0700 (PDT) Received: from tj.ccdomain.com ([103.220.76.197]) by smtp.gmail.com with ESMTPSA id n21sm3563793pfu.99.2021.05.20.23.07.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 May 2021 23:07:28 -0700 (PDT) From: Yue Hu To: minchan@kernel.org, ngupta@vflare.org, senozhatsky@chromium.org, axboe@kernel.dk Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, huyue2@yulong.com, zbestahu@163.com, Sergey Senozhatsky Subject: [PATCH][RESEND] zram: move backing_dev under macro CONFIG_ZRAM_WRITEBACK Date: Fri, 21 May 2021 14:05:44 +0800 Message-Id: <20210521060544.2385-1-zbestahu@gmail.com> X-Mailer: git-send-email 2.29.2.windows.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Yue Hu backing_dev is never used when not enable CONFIG_ZRAM_WRITEBACK and it's introduced from writeback feature. So it's needless also affect readability in that case. Signed-off-by: Yue Hu Reviewed-by: Sergey Senozhatsky Acked-by: Minchan Kim --- drivers/block/zram/zram_drv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index 419a7e8..6e73dc3 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -113,8 +113,8 @@ struct zram { * zram is claimed so open request will be failed */ bool claim; /* Protected by bdev->bd_mutex */ - struct file *backing_dev; #ifdef CONFIG_ZRAM_WRITEBACK + struct file *backing_dev; spinlock_t wb_limit_lock; bool wb_limit_enable; u64 bd_wb_limit; -- 1.9.1