ISOFS_BLOCK_SIZE 123 fs/isofs/dir.c ctx->pos = (ctx->pos + ISOFS_BLOCK_SIZE) & ~(ISOFS_BLOCK_SIZE - 1); ISOFS_BLOCK_SIZE 70 fs/isofs/namei.c f_pos = (f_pos + ISOFS_BLOCK_SIZE) & ~(ISOFS_BLOCK_SIZE - 1);