From: Sage Weil <sage@newdream.net>
Date: Thu, 11 Dec 2008 21:30:06 +0000 (-0500)
Subject: Btrfs: mnt_drop_write in ioctl_trans_end
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=cfc8ea87201dc9bb6aeb3fc80c61abee83e7cc06;p=openwrt%2Fstaging%2Fblogic.git

Btrfs: mnt_drop_write in ioctl_trans_end

Add missing mnt_drop_write to match the mnt_want_write in
btrfs_ioctl_trans_start.

Signed-off-by: Sage Weil <sage@newdream.net>
---

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 6228b69c2b93..69c4a07f5869 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1059,6 +1059,8 @@ long btrfs_ioctl_trans_end(struct file *file)
 	root->fs_info->open_ioctl_trans--;
 	mutex_unlock(&root->fs_info->trans_mutex);
 
+	mnt_drop_write(file->f_path.mnt);
+
 out:
 	return ret;
 }