ocfs2_inode_lock_atime
error = ocfs2_inode_lock_atime(inode, file->f_path.mnt, &lock_level, 1);
int ocfs2_inode_lock_atime(struct inode *inode,
ret = ocfs2_inode_lock_atime(inode, filp->f_path.mnt, &lock_level,
ret = ocfs2_inode_lock_atime(inode, in->f_path.mnt, &lock_level, 1);
ret = ocfs2_inode_lock_atime(file_inode(file),