From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([222.73.24.84]:43282 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751546Ab2LUJSu (ORCPT ); Fri, 21 Dec 2012 04:18:50 -0500 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id qBL9KWoT026387 for ; Fri, 21 Dec 2012 17:20:32 +0800 Message-ID: <50D42998.1010100@cn.fujitsu.com> Date: Fri, 21 Dec 2012 17:19:20 +0800 From: Miao Xie Reply-To: miaox@cn.fujitsu.com MIME-Version: 1.0 To: Linux Btrfs Subject: [PATCH 1/3] Btrfs: fix missing write access release in btrfs_ioctl_resize() Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: We forget to give up the write access after we find some device operation is going on. Fix it. Signed-off-by: Miao Xie --- fs/btrfs/ioctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 7624212..679b82c 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1338,7 +1338,9 @@ static noinline int btrfs_ioctl_resize(struct file *file, if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running, 1)) { - pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n"); + pr_info("btrfs: dev add/delete/balance/replace/resize operation" + " in progress\n"); + mnt_drop_write_file(file); return -EINPROGRESS; } -- 1.7.11.7