f2fs: use mnt_want_write_file() in ioctl

Al Viro · Al Viro · commit bdaec334bbe7 · 2013-04-09T14:12:56.000-04:00
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
@@ -590,7 +590,7 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	{
 		unsigned int oldflags;
 
-		ret = mnt_want_write(filp->f_path.mnt);
+		ret = mnt_want_write_file(filp);
 		if (ret)
 			return ret;
 
@@ -627,7 +627,7 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		inode->i_ctime = CURRENT_TIME;
 		mark_inode_dirty(inode);
 out:
-		mnt_drop_write(filp->f_path.mnt);
+		mnt_drop_write_file(filp);
 		return ret;
 	}
 	default:
