ocfs2_seek_data_hole_offset   46 fs/ocfs2/extent_map.h int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int origin);
ocfs2_seek_data_hole_offset 2545 fs/ocfs2/file.c 		ret = ocfs2_seek_data_hole_offset(file, &offset, whence);