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=-9.6 required=3.0 tests=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 C4811C32771 for ; Mon, 20 Jan 2020 03:42:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89D20207FD for ; Mon, 20 Jan 2020 03:42:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PVXdAKWO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729093AbgATDmA (ORCPT ); Sun, 19 Jan 2020 22:42:00 -0500 Received: from mail-pf1-f171.google.com ([209.85.210.171]:40204 "EHLO mail-pf1-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728949AbgATDmA (ORCPT ); Sun, 19 Jan 2020 22:42:00 -0500 Received: by mail-pf1-f171.google.com with SMTP id q8so15105315pfh.7 for ; Sun, 19 Jan 2020 19:41:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=ZSuENgj57EJKhDmrfo9UwbHjaQk00c2fnA9ZQ7sTuQY=; b=PVXdAKWOv/6CJv7DJIkonwpRHjwNWN9U1j2HnbQnfUKvJVYLi2I0AHxah/DMJbjYAB 15pnV9iy/ntluqy5wyfXsoz84xPIQaXlMk66HygM/cxUzzt8RB8Z7SoLdHHfxQdO1z5A LwmVO+q7oqnuRmutB129elUk5Xdvr3+MaXmB7y0Gqzusz28BYmPNKn4yvx4P4br8w1Gk RI4zd+Po+aQEEbPIuJA2GInS3HBLbi4MPyuZ90Tmgcy7Gv0nmo95L2j4fB0yrGwM6VHf qIBSKEMpPeB/Q5Yd0MALAtVCv9+loTzbHnE7kd1syTI+DmfWXvDlc2wnA0xc7sjdEDHo JLVw== 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; bh=ZSuENgj57EJKhDmrfo9UwbHjaQk00c2fnA9ZQ7sTuQY=; b=AbYlo6mis40+EcOty4cRdR5l9W13HTBMSHVqwZUmXmexdd/Ze5Fve6T3YgEjd9P0FR RsfcG5B0UJqQ1Yy30Vxss2rbQ7ajfctnBIA9WoGe6SLWKBuzXaBl4k8dEGXr3G1yH2EG EoA12FIfaHwo3O24JAbL0kXqCAyVkKWXfVKO3eET+2bqbVROnrw522c8jOSCAjXrT4hj OzVAFFnuJXC6UDLAbsuKDIOg0NkZ8bg44Ce5V5RD63k01Pj4Oh9fuV6A4w5HcKdp0Ntl wjyhpgZcm9GbSyHzWL/t6O7vVtLdA5IH1CDZTNfpmpi2S1ZLi60H2jNkaYNLG6wHHtRu U9GA== X-Gm-Message-State: APjAAAUMVf3XtA5/zyEePDbblZeNGVUQwEuSIIBE6LrTE8H8LqNAGjoC zGvBxYkiDMsknxgekj47ajo= X-Google-Smtp-Source: APXvYqx9SFiP+HJHo5vJ9WNDDRJqY9FfJU2DKgJp/f5tUP2r6Sg8iGBBo13UVak42TonbSh0tPg8Ng== X-Received: by 2002:aa7:961b:: with SMTP id q27mr15327820pfg.23.1579491719639; Sun, 19 Jan 2020 19:41:59 -0800 (PST) Received: from huyue2.ccdomain.com ([103.29.143.67]) by smtp.gmail.com with ESMTPSA id e2sm37158327pfh.84.2020.01.19.19.41.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 19 Jan 2020 19:41:59 -0800 (PST) From: Yue Hu To: minchan@kernel.org, ngupta@vflare.org, sergey.senozhatsky.work@gmail.com Cc: linux-kernel@vger.kernel.org, huyue2@yulong.com Subject: [PATCH] zram: move backing_dev under macro CONFIG_ZRAM_WRITEBACK Date: Mon, 20 Jan 2020 11:41:55 +0800 Message-Id: <20200120034155.6048-1-zbestahu@gmail.com> X-Mailer: git-send-email 2.17.1.windows.2 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 --- 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 f2fd46d..1cb3b9a 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -112,8 +112,8 @@ 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