From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:18312 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752342Ab3EMLLD (ORCPT ); Mon, 13 May 2013 07:11:03 -0400 Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by aserp1040.oracle.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.1) with ESMTP id r4DBB1J3012918 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 13 May 2013 11:11:02 GMT Received: from aserz7022.oracle.com (aserz7022.oracle.com [141.146.126.231]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r4DBB08m016520 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Mon, 13 May 2013 11:11:01 GMT Received: from abhmt106.oracle.com (abhmt106.oracle.com [141.146.116.58]) by aserz7022.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r4DBB08v028314 for ; Mon, 13 May 2013 11:11:00 GMT From: Liu Bo To: linux-btrfs@vger.kernel.org Subject: [PATCH] Btrfs: remove useless copy in quota_ctl Date: Mon, 13 May 2013 19:10:44 +0800 Message-Id: <1368443444-14190-1-git-send-email-bo.li.liu@oracle.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: We don't need to copy it back to user side as it remains unchanged. Signed-off-by: Liu Bo --- fs/btrfs/ioctl.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 0de4a2f..c189189 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3719,9 +3719,6 @@ static long btrfs_ioctl_quota_ctl(struct file *file, void __user *arg) break; } - if (copy_to_user(arg, sa, sizeof(*sa))) - ret = -EFAULT; - err = btrfs_commit_transaction(trans, root->fs_info->tree_root); if (err && !ret) ret = err; -- 1.7.7.6