lastblkno 1016 fs/jfs/jfs_dmap.c s64 lblkno, lastblkno, extblkno; lastblkno 1032 fs/jfs/jfs_dmap.c lastblkno = blkno + nblocks - 1; lastblkno 1037 fs/jfs/jfs_dmap.c extblkno = lastblkno + 1; lastblkno 1043 fs/jfs/jfs_dmap.c if (lastblkno < 0 || lastblkno >= bmp->db_mapsize) {