Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758877Ab3FCPou (ORCPT ); Mon, 3 Jun 2013 11:44:50 -0400 Received: from mail-pd0-f177.google.com ([209.85.192.177]:36056 "EHLO mail-pd0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756694Ab3FCPor (ORCPT ); Mon, 3 Jun 2013 11:44:47 -0400 From: Jiang Liu To: Greg Kroah-Hartman , Nitin Gupta , Minchan Kim , Jerome Marchand Cc: Yijing Wang , Jiang Liu , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v1 1/8] zram: simplify and optimize zram_to_dev() Date: Mon, 3 Jun 2013 23:42:13 +0800 Message-Id: <1370274140-26420-2-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1370274140-26420-1-git-send-email-jiang.liu@huawei.com> References: <1370274140-26420-1-git-send-email-jiang.liu@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1115 Lines: 38 Signed-off-by: Jiang Liu --- drivers/staging/zram/zram_sysfs.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c index e6a929d..8cb7822 100644 --- a/drivers/staging/zram/zram_sysfs.c +++ b/drivers/staging/zram/zram_sysfs.c @@ -30,18 +30,9 @@ static u64 zram_stat64_read(struct zram *zram, u64 *v) return val; } -static struct zram *dev_to_zram(struct device *dev) +static inline struct zram *dev_to_zram(struct device *dev) { - int i; - struct zram *zram = NULL; - - for (i = 0; i < zram_get_num_devices(); i++) { - zram = &zram_devices[i]; - if (disk_to_dev(zram->disk) == dev) - break; - } - - return zram; + return (struct zram *)dev_to_disk(dev)->private_data; } static ssize_t disksize_show(struct device *dev, -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/